Term
Origin:
Superior Nuchal Line
External Occipital Protuberance
Spinious process of cervical vertebrae (nuchal ligament)
Insertion:
Lateral 1/3 clavicle
Acromion process of scapula
Spine of the scapula
Main Action:
Bilaterally - extends neck
Elevates scapula |
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Definition
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Term
| What are the degrees of motion for cervical flexion |
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Definition
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Term
| What are the degrees of motion for cervical extension |
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Definition
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Term
| What are the degrees of motion for Cervical Lateral Flexion |
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Definition
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Term
| what are the degrees of motion for cervical rotation |
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Definition
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Term
| what are the degrees of motion for Thoracic Lumbar Flexion |
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Definition
|
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Term
| what are the degrees of motion for Thoracic Lumbar Extension |
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Definition
|
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Term
| what are the degrees of motion for Thoracic Lumbar Lateral Flexion |
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Definition
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Term
| what are the degrees of motion for Thoracic Lumbar Rotation |
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Definition
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Term
| what are the degrees of motion for Temporomandibular Joint Depression |
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Definition
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Term
| What is the order of the spinal ligaments from anterior to posterior |
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Definition
Anterior Longitudinal Ligament
Posterior Longitudinal Ligament
Ligamentum Flavum
Interspinous Ligamentum
Supraspinous Ligamentum |
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Term
| in what joints does movement of the spine take place? |
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Definition
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Term
| 50% of neck flexion and extension occurs at this joint |
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Definition
| Antlanto-occipital Joint (OA Joint) |
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Term
| What cranial nerve innervates the muscles of the face |
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Definition
| Cranial Nerve #7 (facial nerve) |
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Term
| What muscle winks and closes the eye |
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Definition
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Term
| What muscle closes lips, puckers lips as in a kiss |
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Definition
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Term
| What muscles pull the angle of mouth upward and outward as in smiling |
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Definition
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Term
| What muscle draws angle of mouth straight upward? |
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Definition
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Term
| What muscle draws angle of mouth backward like grimace |
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Definition
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Term
| What muscle draws the angles of the mouth down |
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Definition
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Term
| What muscle wrinkles forehead as in surprise of fright |
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Definition
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Term
| what muscle draws eyebrows together as in frowning |
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Definition
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Term
| what muscle widens the apertures of nostrils as in forced breathing |
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Definition
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Term
| What muscle wrinkles the skin of the nose forming transverse wrinkles over bridge |
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Definition
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Term
| what muscle raises the skin of the chin as in pouting |
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Definition
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Term
| What muscle tenses the skin on the neck |
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Definition
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Term
| what muscle presses the checks firmly against the teeth |
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Definition
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Term
| What cranial nerve is responsible for the muscles of mastication |
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Definition
| Cranial nerve V (trigeminal nerve) |
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Term
| what muscle elevates the mandible and clenches teeth |
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Definition
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Term
| What three muscles elevate the mandible |
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Definition
| Temporalis, Masseter, Medial Peterygoid |
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Term
| what muscle depresses the mandible |
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Definition
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Term
| Define Diarthorodial joint |
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Definition
| freely moveable joints held together by a joint capsule, such as the knee and shoulder |
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Term
| Define Ampiarthrotial Joint |
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Definition
| Slightly moveable joint like vertebrae |
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Term
| Define Synarthrodial Joint |
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Definition
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Term
| what are the degrees of motion for shoulder flexion |
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Definition
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Term
| What are the degrees of motion for shoulder hyperextension |
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Definition
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Term
| What are the degrees of motion for shoulder abduction |
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Definition
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Term
| what are the degrees of motion for shoulder external rotation |
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Definition
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Term
| What are the degrees of motion for shoulder internal rotation |
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Definition
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Term
Origin | Insertion | Main Action | Nerve Innervation
Latissimus Dorsi
CB 56 |
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Definition
Origin:
Spinous Process of lower 6 thoracic vertebrae
All Lumbar and Sacral Vertebrae
Posterior Iliac Crest
Lower Ribs
To Inferior angle of Scapula
Insertion:
Medial Lip of Intertubercular Groove of Humerus
Main Action:
Extension
Internal Rotation
Depression of Scapula
*important in crutch walking
Innervation:
Thoracodorsal Nerve
C6, C7, C8 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Teres Major (baby Latissimus)
CB 56 |
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Definition
Origin:
Lower portion of lateral border of scapula
Insertion:
Medial Lip of intertubercular grove
Main Action:
Adduction and Extension
Internal Rotation
Innervation:
Lower sub scapular Nerve
C5, C6 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Pectoralis Major
CB 56 |
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Definition
Origin:
Medial 2/3 Clavicle
Sternum
Costal cartilages 1-6
Insertion:
Lateral lip of intertubercular groove
Main Action:
Horizontal adduction
Adduction and Internal Rotation of Arm
CLAVICULAR PORTION=Flexion
STERNAL PORTION = Extension (from a flexed position) *Thanks Kelly :-)
Innervation:
Medial and Lateral Pectoral
C5, C6, C7, C8, T1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Anterior Deltoid
CB 56 |
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Definition
Origin:
Lateral 1/3 clavicle
Insertion:
Deltoid Tuberosity
Main Action:
Shoulder flexion
Medial Rotation
Horizontal Adduction
Innervation:
Axillary Nerve C5, C6 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Middle Deltoid
CB 56 |
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Definition
Origin:
Superior Acromion
Insertion:
Deltoid Tuberosity
Main Action:
Shoulder Abduciton
Innervation:
Axillary Nerve
C5, C6 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Posterior Deltoid
CB 56 |
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Definition
Origin:
Spine of Scapula
Insertion:
Deltoid Tuberosity
Main Action:
Shoulder Extension, External Rotation, Horizontal Abduction
Innervation:
Axillary Nerve
C5, C6 |
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Term
| Origin | Insertion | Main Action | Nerve Innervation Supraspinatus CB 55 |
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Definition
| Origin: Supraspinous Fossa Insertion: Very Top of greater tubercle Main Action: Abducts Shoulder Innervation: Suprascapular nerve C5, C6 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Infraspinatus |
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Definition
Origin:
Infraspinous fossa
Insertion:
Greater tubercle below Supraspinatus
Matin Action:
External rotation (Stabilizes the shoulder)
Innervation:
Suprascapular Nerve
C5, C6 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Teres Minor
CB 55 |
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Definition
Origin:
Upper part of lateral border of scapula
Insertion:
Greater Tubercle below Infraspinatus
Main Action:
External Rotation (Stabilizes head of humerus)
Innervation:
Axillary nerve
C5, C6 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Subscapularis
CB 55 |
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Definition
Origin:
Subscapular Fossa
Insertion:
Lesser Tubercle
Main Action:
Internal Rotation (Stabilize Humerus)
Innervation:
Upper and Lower Subscapular Nerve
C5, C6 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Coracobrachialis
CB 56 |
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Definition
Origin:
Coracoid Process of Scapula
Insertion:
Anterior Midshift of Humerus
Main Action:
Shoulder Flexion, Adduction
Innervation:
Musculocutaneous Nerve
C5, C6, C7 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Biceps Brachii
CB 57 |
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Definition
Origin:
Short Head-Coracoid Process
Long Head- Supraglenoid Tubercle of scapula
Insertion:
Radial Tuberosity, Bicipital Aponeurosis onto Ulna
Main Action:
Elbow Flexion
Supination of forearm
Assists shoulder flexion
Innervation:
Musculocutaneous Nerve
C5, C6 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Triceps
CB 57 |
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Definition
Origin:
Long Head-Infraglenoid Tubercle
Lateral Head-Lateral and Posterior Surface of Humerus
Medial Head-Medial and Posterior Surface of Humerus
Insertion:
Olecronon Process of Ulna
Main Action:
Elbow Extension
Assists in shoulder extension
Innervation: Radial Nerve
C6, C7, C8 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Upper Trapezious
CB 54 |
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Definition
Origin:
Superior Nuchal Line
Spinous Proces of cervical Vertebrae
Insertion:
Lateral 1/3 Clavicle and acromion
Main Action:
Elevates Scapula
Upward Rotation of Scapula (with the help of lower trap)
Innervation:
Accessory Nerve #10
C3, C4 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Middle Trapezious
CB 54 |
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Definition
Origin:
Spinous Process T1-T5
Insertion:
Acromion
Spine of Scapula
Main Action:
Retraction of Scapula
Innervation:
Accessory Nerve #10
C3, C4 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Lower Trapezious
CB 54 |
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Definition
Origin:
Spinous Process T6-T12
Insertion:
Tubercle at the apex of the scapula
Main Action:
Depression of Scapula
Upward Rotation of Scapula (with the help of upper trap)
Retraction of Scapula
Innervation:
Accessory Nerve #10
C3, C4 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Sarratus Anterior
CB 54 |
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Definition
Origin:
Outer Surface of Ribs 1 - 9
Insertion:
Costal surface of medial border of scapula
Main Action:
Protraction of Scapula
Holds medial border of scapula agains rib cage
Upward rotation of scapula (assisted by Upper and Lower Trap)
Innervation:
Long Thoracic Nerve
C5, C6, C7 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Pectoralis Minor
CB 54 |
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Definition
Origin;
Outer Surface of Ribs 3,4, and 5
Insertion:
Coracoid Process of scapula
Main Action:
Tilts Scapula Anteriorly
Depression of scapula
Downward rotation
Innervation
Medial Pectoral Nerve
C7, C8, T1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Rhomboid Major and Minor
CB 54 |
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Definition
Origin:
Spinous Process C7, T1 - T5
Insertion: Medial Border of scapula from root of spine to inferior angle
Main Action:
Retraction of scapula
Downward Rotation
Innervation:
Dorsal Scapular Nerve
C5 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Rhomboid Major and Minor
CB 54 |
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Definition
Origin:
Spinous Process C7, T1 - T5
Insertion: Medial Border of scapula from root of spine to inferior angle
Main Action:
Retraction of scapula
Downward Rotation
Innervation:
Dorsal Scapular Nerve
C5 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Levator Scapula
CB 54 |
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Definition
Origin:
Transverse Process of C1 - C4
Insertion:
Superior Angle of Scapula
Main Action:
Elevation of Scapula
Downward Rotation
Innervation:
Dorsal Scapular Nerve
C3, C4, C5 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Levator Scapula
CB 54 |
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Definition
Origin:
Transverse Process of C1 - C4
Insertion:
Superior Angle of Scapula
Main Action:
Elevation of Scapula
Downward Rotation
Innervation:
Dorsal Scapular Nerve
C3, C4, C5 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Brachioradialis
CB 57 |
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Definition
Origin:
Lower half anterior surface of humerus (Underneath Bicep)
Insertion:
Lateral side of base of styloid process of radius
Main Action:
Flexes Elbow
Innervation:
Radial Nerve
C5, C6 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Anconeus
CB 57 |
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Definition
Origin:
Lateral Epicondyle of Humerus
Insertion: Olecranon Process of Ulna
Main Action:
Assist in Elbow Extension
Innervation:
Radial Nerve
C7, C8 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Pronator Teres
CB 57 |
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Definition
Origin:
Medial Epicondyle
Coronoid Process of Ulna
Insertion:
Lateral midshaft of Radius
Main Action:
Pronation of Forearm
Innervation:
Median Nerve
C6, C7 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Pronator Quadratus
CB 57 |
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Definition
Origin:
Medial disital 1/4 ulna
Insertion:
Lateral Disital 1/4 Radius
Main Action:
Pronation of Forearm
Innervation:
Median Nerve
C8, T1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Supinator
CB 57 |
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Definition
Origin:
Lateral Epicondyle of Humerus
Insertion:
Lateral upper 1/3 radius
Main Action:
Supination of Forearm
Innervation:
Radial Nerve
C5, C6 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
External Intercostals
CB 50 |
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Definition
Origin:
Lower Boarder of Ribs (11 Pair)
Insertion:
Upper boarder of ribs below (Direction of Fibers = down and forward)
Main Action:
Elevates ribs in inspiration
Innervation:
Intercostal Nerve |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Internal Intercostals
CB 50 |
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Definition
Origin:
Inner surface of ribs and Costal Cartilage
Insertion:
Upper boarder of rib below (Direction of fibers = down and back)
Main action:
Depresses the ribs during expiration
Innervation:
Intercostal nerve |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Diaphragm
CB 50 |
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Definition
Origin:
Deep Surface of xiphoid process
Inner surface lower 6 ribs
Bodies of upper lumbar vertebrae
Insertion:
Muscle fibers arch upward and inward ending in a tendon called the central tendon
Main Action:
Flattens upon contraction decreasing pressure in the thorax allowing air to fill the lungs
Innervation:
Phrenic Nerve
C3, C4, C5 "keep the diaphragm alive" |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Flexor Pollicis Longus
CB 58 |
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Definition
Origin:
Middle half of anterior surface of radius
Interosses Membrane
Insertion: Base of distal phalanx of thumb, palmer surface
Main Action:
Flexion distal phalanx of thumb
Assists flexion MCP, CMC
Assist wrist flexion
Innervation:
Median Nerve
C8, T1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Extensor Pollicis Longs
CB 58 |
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Definition
Origin:
Middle 1/3 Ulna
Posterior interosseus membrane
Insertion:
Base of distal phalanx of thumb, dorsal surface
Main Action:
Extension interphalangeal joint
Assist in extension at MCP, CMC
Assist wrist Extension and Radial Dev
Innervation:
Radial Nerve
C7, C8 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Extensor Pollicis Brevis
CB 58 |
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Definition
Origin:
Posterior middle distal radius
Insertion:
Base of proximal phalanx of thumb, dorsal surface
Main Action:
Extends MCP
Assists extension CMC
Innervation:
Radial Nerve
C7, C8 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Abductor Pollicis Longus
CB 58 |
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Definition
Origin:
Posterior proximal ulna
Middle 1/3 radius
Insertion:
Base of first meta carpal radial side
Main Action:
Abduction of 1st CMC joint
Innervation:
Radial Nerve
C6, C7, C8 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Opponens Pollicis
CB 59 |
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Definition
Origin:
Trapezium
Flexor Retinaculum
Insertion:
Entire Length of 1st metacarpi, radial side
Main Action:
Opposition of Thumb at CMC
Innervation:
Median Nerve
C8, T1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Flexor Pollicis Brevis
CB 59 |
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Definition
Origin:
Trapezium
Trapezoid and Capitate
Flexor retinaculum
Insertion:
Base of proximal phalanx of thumb, radial side
Innervation:
Median nerve
C8, T1 |
|
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Term
Origin | Insertion | Main Action | Nerve Innervation
Abductor Pollicis Brevis
CB 59 |
|
Definition
Origin:
Scaphoid
Trapezium
Flexor retinaculum
Insertion:
Base of proximal phalanx of thumb, radial side
Innervation:
Median nerve
C8, T1 |
|
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Term
Origin | Insertion | Main Action | Nerve Innervation
Adductor Pollicis
CB 59 |
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Definition
Origin:
Palmer surface of 3rd metacarpal
Capitate, base of 2nd metacarpal
Insertion:
Base of proximal phalanx of thumb, ulnar side
Main action:
Adducts the thumb
Innervation:
Ulnar Nerve
C8, T1 |
|
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Term
Origin | Insertion | Main Action | Nerve Innervation
Plantar Interossei
CB 67 |
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Definition
Origin:
Medial Side of 3rd - 5th metatarsals
Insertion:
(Midline of foot = digit #2)
Medial side of proximal phalanges of same digit
Main Action:
Adduction of Toes
Innervation:
Lateral Plantar nerve
S1, S2 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Dorsal Interossei
CB 67 |
|
Definition
Origin:
Adjacent sade of metatarsals
Insertion:
(Midline of foot = digit #2)
Proximal phalanx of corresponding toe
- #1 to medial side of second toe
- #2 to lateral side of second toe
- #3 to lateral side of third toe
- #4 to lateral side of fourth toe
Main Action:
Abduction of toes
Innervation:
Lateral Plantar nerve
S1, S2 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Opponens Digiti Minimi
CB 59 |
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Definition
Origin:
Hook of Hamate
Flexor retinaculum
Insertion:
Entire length of fifth metacarpal, ulnar side
Main Action:
Opposes the carpometacarpal joint of the little finger
Innervation:
Ulnar Nerve
C8, T1 |
|
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Term
Origin | Insertion | Main Action | Nerve Innervation
Flexor digiti Minimi
CB 59 |
|
Definition
Origin:
Hook of Hamate
Flexor retinaculum
Insertion:
Base of proximal phalanx of the little finger, ulnar side
Main Action:
Flexes little finger
Assistes with opposition
Innervation:
Ulnar Nerve
C8, T1 |
|
|
Term
Origin | Insertion | Main Action | Nerve Innervation
Abductor Digit Minimi
CB 59 |
|
Definition
Origin:
Pisiform Bone
Tendon of flexor carping Ulnaris
Insertion:
Base of proximal phalanx of little finger, Ulnar side
Main Action:
Abducts little finger
Innervation:
Ulnar nerve
C8, T1 |
|
|
Term
Origin | Insertion | Main Action | Nerve Innervation
Sternocleidomastoid
CB 48 |
|
Definition
Origin:
Sternum
Medial Third of clavicle
Insertion:
Mastoid Process
Main Action:
Bilaterally - Flexes Neck
Singly - Rotates neck to opposite side
Singly laterally flex neck to same side
Innervation:
Accessory Nerve
C2, C3 |
|
|
Term
Origin | Insertion | Main Action | Nerve Innervation
Scalenes
CB 48 |
|
Definition
Origin:
Transverse process of cervical vertebrae
Insertion:
Upper ribs 1 and 2
Main Action:
Lateral flexion of neck
Elevates ribs with forced inspiration
Innervation
C2 - C6 |
|
|
Term
Origin | Insertion | Main Action | Nerve Innervation
Longus Capitis
Kendalls 314 - 317 |
|
Definition
Origin:
Transverse process C3-C6
Anterior Surface of Atlas
Insertion:
Inferior base of occipital bone
Main Action:
Bilaterally flexes neck at Atlanto-Occipital Joint "Capital Flexion"
Innervation:
S12 :-) |
|
|
Term
Origin | Insertion | Main Action | Nerve Innervation
Palmer Interossei (4)
"PAD" |
|
Definition
Origin:
1st - Base of 1st metacarpal, ulnar side
2nd - Length of 2nd metacarpal, ulnar side
3rd - Length of 4th metacarpal, radial side
4th - Length o f5th metacarpal, radial side
Insertion:
!st - Ulnar side 1st digit
2n - Ulnar side 2nd digit
3rd - Radial side 4th digit
4th - Radial side 5th digit
Plus all into extensor expansion of respective digit
Main Action:
Adduction of corresponding digits at metacarpophalangeal joints
(Adduction is toward midline of hand {3rd Metacarpal}
Assists with MCP flexion, PIP and DIP extension
Innervation:
Ulnar nerve
C8, T1 |
|
|
Term
| Origin | Insertion | Main Action | Nerve Innervation |
|
Definition
|
|
Term
Origin | Insertion | Main Action | Nerve Innervation
Dorsal Interossei (4)
CB 59 |
|
Definition
Origin:
1st - Proximal 1/2 ulnar boarder 1st Metacarpal, radial border 2nd metacarpal
2nd - 4th - Adjacent sides metacarpal bones in each interspace
Insertion:
Base of proemial phalanx of:
1st - Radial side 2nd digit
2nd - Radial side 3rd digit
3rd - Ulnar side 3rd digit
4th - Ulnar side of 4th digit
Plus all into extensor expansion of respective digit
Main Action: Abduction of corresponding digits at metacarpophalangeal joints
(abduction toward midline of hand {3rd metacarpal}
Assists with MCP flexion, PIP and DIP extension
Innervation:
Ulnar Nerve
C8, T1 |
|
|
Term
Origin | Insertion | Main Action | Nerve Innervation
Lumbricals
CB 59 |
|
Definition
Origin:
All off of Flexor profundus tendon
1st - Radial side tendon 1 (2nd digit)
2nd - Radial side Tendon 2 (3rd digit)
3rd - Adjacent side tendon 2 and 3 (3rd and 4th digit)
4th - Adjacent side tendon 3 and 4 (4th and 5th digit)
Insertion:
All to radial border of extensor expansion on dorsum of respective digits:
1st Lumbrical to 2nd digit
2nd Lumbrical to 3rd digit
3rd Lumbrical to 4th digit
4th Lumbrical to 5th digit
Main Action: Extends DIP and PIP joints while simultaneously flexion MCP "Table Tope"
Innervation:
1st and 2nd Lumbrical = Median Nerve C8, T1
3rd and 4th Lumbrical = Ulnar Nerve C8, T1 |
|
|
Term
Origin | Insertion | Main Action | Nerve Innervation
Splenius Cervices and Splenius Capitis
CB 49 |
|
Definition
Origin:
Spines of C3- C6, C7 - T4
Insertion:
Mastoid process
Lateral nuchal line and transverse process C2 - C4
Main Action:
Bilaterally - extends neck
Singly - Laterally flexes neck
Singly - Rotates head to same side
Innervation:
Dorsal rami of spinal nerves at level of muscle |
|
|
Term
Origin | Insertion | Main Action | Nerve Innervation
Erector Spinae
(spinalis, Longissimus, Iliocostalis)
CB 49 |
|
Definition
Origin:
Posterior surface of sacrum, iliac crest, spinous process lumbar vertebrae and spinous prices T12 and T11 (common tendon of origin)
Insertion:
Spinous process of cerical and thoracic vertebrae, transfers process of cervical and thoracic vertebrae, lower border ribs, occipital bone between superior and inferior nuchal lines
Main Action:
Bilateral - Extension vertebral column
Unilateral - Lateral flexion
Innervation:
Dorsal rami of spinal nerves in area of muscle |
|
|
Term
Origin | Insertion | Main Action | Nerve Innervation
Quadratus Lumborum
CB 50 |
|
Definition
Origin:
Medial Part of iliac crest
Insertion:
Transverse process of supper four (4) lumbar vertebrae (L1- L4)
Lower Part of Last rib
Main Action:
Bilaterally - Extends trunk
Singly - Lateral flexion of the column "Hikes the Hip"
Innervation:
Lumbar plexus
L1, L2, L3 |
|
|
Term
Origin | Insertion | Main Action | Nerve Innervation
Transverse Abdominis
CB 51 |
|
Definition
Origin:
Inner surface lower six ribs
Lumbar fascia, anterior lip of iliac crest
Inguinal ligament
Insertion:
Aponeurosis into Linea alba
Main Action:
Acts Like a girdle to flatten abdominal wall and compress the abdominal viscera "Cough"
Innervation: Iliohypogastric and ilioguinal nerves |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Rectus Abdominis
CB 51 |
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Definition
Origin:
Pubic Symphisis, and crest of pubis
Insertion:
Costal cartilage of 5th, 6th, and 7th ribs, and xiphoid process
Main Action:
Flexion of Trunk
Tilts pelvis Posteriorly
Innervation:
T5 - T12
Iliohypogastric nerve
Ilioinguinal nerve |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Internal Oblique
CB 51 |
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Definition
Origin:
Inguinal ligament, Anterior part of iliac crest, lumbar fascia
Insertion:
Aponeurosis into line alba, lower border last three ribs
(direction of fibers are upward and and medial)
Main Action:
Unilaterally: Rotation to same side
Bilaterally - Flex Trunk, Compress abdominal viscera
Innervation:
T7 - T12 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
External oblique
CB 51 |
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Definition
Origin:
External surface lower 8 ribs
Insertion:
Aponeurosis into line alba, anterior lip of iliac crest
(Direction of fibers obliquely downward and medial)
Innervation:
T5 - T12
Iliohypogastric nerve
Ilioinguinal nerve |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Flexor Carpi Radialis
CB 58 |
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Definition
Origin:
Medial epicondyle of Humerus
Insertion:
Base of 2nd metacarpal and 3rd metacarpal
Main Action:
Wrist Flexion
Radial Deviation
Innervation:
Median Nerve
C6, C7 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Flexor Carpi Ulnaris
CB 58 |
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Definition
Origin:
Medial epicondyle of humerus
Insertion:
5th Metacarpal
Pisiform bone
Main action:
Wrist flexion
Ulnar Deviation
Innervation:
Ulnar Nerve
C8, T1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Palmaris Longus
CB 58 |
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Definition
Origin:
Medial Epicondyle of humerus
Insertion:
Palmar aponeurosis
Main action:
Wrist Flexion
Innervation:
Median nerve
C7, C8 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Flexor Digitorum
CB 58 |
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Definition
Origin:
Medial Epicondyle of humerus
Coronoid process
Upper 1/2 radius distal to radial tuberosity
Insertion:
Sides of middle phalanges of digits 2 - 5
Main Action:
Flexion proximal interphalangeal joints of digits 2 - 5
Assists in flexion of the metacarpophalangeal joints
Assists with flexion of the wrist
Innervation:
Median Nerve
C7, C8, T1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Flexor Digitorum Profundus
CB 58 |
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Definition
Origin:
Anteror and Medial surface proximal 2/3 Ulna
Interosseus Membrance
Insertion:
Base of distal phalanges digits 2 - 5
(tendons numbered (1,2,3,4)
Main Action:
Flexion of distal interphalangeal joints digits 2-5
Assists flexion interphalangeal and metacarpophalangeal joint
Assits with flexion of wrist
Innervation:
1 and 2: Median Nerve C8, T1
3 and 4: Ulnar Nerve C8, T1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Extensor Hallucis Brevis
Jenkins 403 |
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Definition
Origin:
Calcaneus (dorsal surface)
Insertion:
Base of proximal phalanx #1
Main Action:
Extends MTP of Digit #1
Innervation:
Deep Fibular Nerve
L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Extensor Digitorum Brevis
CB 67 |
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Definition
Origin:
Calcaneus (dorsal surface)
Insertion:
To extensor Digitorum longus tendon to 2nd - 4th toes
Main Action:
Extends MTP of digits 2 - 4
Innervation:
Deep Fibular Nerve
L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Abductor Hallucis
CB 67 |
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Definition
Origin:
Calcaneus
Insertion:
Medial side ot base of proximal phalanx of great toe
Main Action:
Abduct digit #1 Support medlal arch
Innervation:
Medial plantar nerve
L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Abductor Digiti Minimi
CB 67 |
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Definition
Origin:
Calcaneus
Insertion:
Lateral Phalanx of little toe
Main Action:
Abduct digit #5
Innervation:
Lateral plantar nerve
L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Flexor Digitorum Brevis
CB 67 |
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Definition
Origin:
Calcaneus
Insertion:
Middle phalanges of lateral four toes
Main Action:
Flexion Middle phalanges of lateral four toes (#2-#5)
Insertion:
Medial Plantar nerve
L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Quadratus Plantae
CB 67 |
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Definition
Origin:
Calcaneus
Insertion:
Lateral border of flexor Digitorum Longus
Main Action:
Aids in flexing the second to fifth digits
Innervation:
Lateral plantar nerve
S1, S2 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Lumbricals of foot
CB 67 |
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Definition
Origin:
Tendons of flexor Digitorum
Insertion:
Medial side of proximal phalanx of 2nd to 5th digits, dorsal expansion
Main Action:
Flexion at MCP, Extension at PIP and DIP digits 2-5
Innervation:
Medial Plantar nerve to digit #1
Lumbrical (to #2) L5, S1
Lateral plantar nerve to 2nd - 4th lumbrical (to #3-#5) S1, S2 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Flexor Hallucis Brevis
CB 67 |
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Definition
Origin:
Cuboid
Lateral Cuneiform
Insertion:
Medial and Lateral side of base of proximal phalanx of great toe
Main Action:
Flexes MTP joint digit#1
Supports medial longitudinal arch of foot
Innervation:
Medial plantar nerve
L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Adductor Hallucis
CB 67 |
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Definition
Origin:
Oblique head: bases of 2nd, 3rd, 4th metatarsals
Transverse head: capsules of 3rd, 4th, 5th, MTP joints
Insertion: Lateral side base of proximal phalanx of great toe
Main Action:
Adduction of great toe
Innervation:
Lateral plantar nerve
S1, S2 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Flexor Digiti Minimi
CB 67 |
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Definition
Origin:
Base of 5th metatarsal
Insertion:
Base of proximal phalanx of little toe
Main Action:
Flexion of proximal phalanx of little toe
Innervation:
Plantar nerve
S1, S2 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Extensor Carpi Radialis Longus
CB 58 |
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Definition
Origin:
Lateral supercondylar ridge of humerus
Insertion:
Dorsal surface of base of 2nd Metacarpal
Main Action:
Wrist Extension
Radial Devation
Innervation:
Radial Nerve
C6, C7 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Extensor Carpi Radialis Brevis
CB 58 |
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Definition
Origin:
Lateral epicondyle of humerus
Insertion:
Dorsal surface of base of 3rd metacarpal
Main Action:
Wrist Extension
Radial Devation
Innervation:
Radial Nerve
C6, C7 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Extensor Carpi Ulnaris
CB 58 |
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Definition
Origin:
Lateral epicondyle of humerus
Insertion:
Base of fifth metacarpal ulnar side
Main Action:
Wrist Extension
Ulnar Deviation
Innervation:
Radial Nerve
C7, C8 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Extensor Digitorum
CB 58 |
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Definition
Origin:
Lateral Epicondyle of humerus
Insertion:
Base middle phalanx lateral band into base distal phalanx digits 2 - 5
Main Action:
Extends Interphalangeal Joints of Digits 2 - 5 (DIP, PIP) and metacarpophalangeal joints
Assists with wrist extension
Innervation:
Radial Nerve
C6, C7, C8 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Extensor Indicis
CB 58 |
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Definition
Origin:
Distal 1/3 posterior surface of ulna
Insertion:
Extensor expansion of Ext Digitorum of digit #2 (index finger)
Main Action:
Extends index finger at MCP, PIP, DIP
Innervation:
Radial Nerve
C7, C8 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Extensor Digiti Minimi
CB 58 |
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Definition
Origin:
Lateral Epicondyle of humerus
Insertion:
Extensor expansion of Ext Digitorum of digit #5
Main Action:
Extends Little Finger at MCP, PIP, DIP
Innervation:
Radial Nerve
C6, C7, C8 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Iliospsoas
CB 64 |
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Definition
Orgin:
Anterior surface of transverse process and sides of bodies of lumbar vertebrae (psoas)
Anterior iliac fossa (iliacus portion)
Insertion:
Lesser trochanter of femur
Main Action:
Flexion hip joint
Innervation:
Femoral Nerve
L2, L3, L4 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Gletues Maximus
CB 61 |
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Definition
Origin:
Posterior surface of ilium (external surface of region of PSIS)
Lowwer part of sacrum, side of coccyx
Insertion:
Iliotibial band of fascia lata
Gluteal tuberosity
Main Action:
Etension of hip joint
External (lateral) rotation
Innervation:
Inferior gluteal nerve
L5, S1, S2 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Gluteus Medius
CB 61 |
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Definition
Origin:
External surface of ilium between posterior and anterior gluteal line
INsertion:
Oblique ridge on lateral surface of greater trochanter of femur
Main Action:
Abduction of hip
Medial rotation of femur
Lateral rotation of femur
Innervation:
Superior gluteal nerve
L4, L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Gluteus Minimus
CB 61 |
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Definition
Origin:
External surface of ilium between anterior and inferior gluteal line (below Gluteus Medius)
Insertion:
Anterior border of greater trochanter of femur
Main Action:
Abduction of hip
Medial rotation of femur
Innervation:
Superior gluteal nerve
L4, L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Tenaor Fasciae Latae
CB 61 |
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Definition
Origin:
Illiac crest posterior to ASIS
Insertion:
Proximal iliotibial band of the fascia lata
Main Action:
Abduction and flexion
Medial rotation of femur
Innervation:
Superior gluteal nerve
L4, L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Sartorius ("Tailor" muscle)
CB 64 |
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Definition
Origin:
Anterior superior iliac spine
Insertion:
Proximal tibia, medial surface just distal to tibial tuberosity (pes anserinus)
Main Action:
Flexion, abduction, and lateral rotation
(Does motion all at once)
Flexes and medial rotates knee
Innervation:
Femoral nerve
L2, L3 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Rectus Femoris
CB 64 |
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Definition
Origin:
Anterior Superior iliac spine
Illium above acetabulum
Insertion:
Base of patella and through patellar ligament to tuberosity of tibia
Main Action:
Flexion hip joint
Extension of knee
Innervation:
Femoral nerve
L2, L3, L4 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Adductors:
Pectineus
Adductor Brevis
Adductor Longus
Adductor Magnus
Gracilis
CB 63 |
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Definition
Origin :
Pubic tubercle at front of pubis
Superior and Inferior pubis ramus
Ramus of ischium
Insertion:
Pectineal line
Medial lip of linea aspera
Medial supraondylar line
Adductor tubercle (Adductor Magnus)
Proximal tibia, medial surface (pes anserinus) (Gracilis)
Main Action:
Adduction of hip
Innervation:
Obrurator nerve L2, L3, L4 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Exteral Rotators:
Piriformis
Pbturator INternus
Obturator Externus
Quadratus Femoris
Gemellus Superior
Gemellus INferior
CB 61 |
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Definition
Origin:
Sacrum (pelvis surface)
Obturator membrane
Rami of pubis and ischium
Insertion:
Superior boreder of greater trochanter
Medial surface of introchanteric crest
Along intertrochantieric crest
Main Action:
External (lateral) rotation of hip
Innervation:
Sacral plexus nerves to muscles
(generally L4, L5, S1, S2) |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Rectus Femoris
CB 64 |
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Definition
Origin:
Anterior inferior iliac spine
Ilium above acetabulum
Insertion:
Base of patella and through patellar ligament to tuberosity of tibia
Main Action:
Flexion hip joint
Extension of knee
Innervation:
Femoral nerve
L2, L3, L4 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Vastus lateralis
CB 64 |
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Definition
Origin:
Proximal part of intertrochanteric line
Greater trochanter
Lateral lip linea aspera
Insertion:
Lateral side of base of patella through patellar ligament to tuberosity of tibia
Main Action:
Extension of knee
Innervation:
Femoral nerve L2, L3, L4 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Vasus Medialis
CB 64 |
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Definition
Origin:
Lower part of intertrochanteric line
Medial lip of linea aspera
Medial supracondylar ridge
Tendon of Adductor Magnus
Insertion:
Medial side of base of patella through patellar ligament to tuberosity of tibia
Main Action:
Extension of knee
Innervation:
Femoral nerve
L2, L3, L4 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Vastus Intermedius
CB 64 |
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Definition
Origin:
Anterior and lateral surface of 2/3 body of femur
Distal linea aspera (Under Rectus Femoris)
Insertion:
Base of patella and through patellar ligament to tuberosity of tibia
Main Action:
Extension of knee
Innervation:
Femoral nerve
L2, L3, L4 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Bisceps Femoris
CB 62 |
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Definition
Origin:
Ischial tuberosity
Linea aspera
Lateral supracondylar ridge
Insertion:
Heat of fibula
Lateral condyle of tibia
Main Action:
Long head extends hip
Flexion of knee
Laterally rotate tibia
Innervation:
Sciatic nerve-
Tibial part to long head
L5, S1, S2
Common Fibular (peroneal)to short head
L5, S1, S2 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Semitendinosus
CB 62 |
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Definition
Origin:
Ischial tuberosity
Insertion:
Proximal part of medial tibia (pes anserinus)
(see long tendon posteriorly)
Main Action:
Extension of hip
Flexion of knee
Medially rotates tibia
Innervation:
Sciatic nerve-
Tibial part L5, S1, S2 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Semimembranosus
CB 62 |
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Definition
Origin:
Ischial tuberositu
Insertion:
Medial condyle
(belly under semitendinosus)
Main Action:
Extension of hip
Flexion of knee
Medially rotates tibia
Innervation:
Sciatic nerve-
Tibial part
L5, S1, S2 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Popliteus
CB 66 |
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Definition
Origin:
Posterior surface of lateral condyle of femur
Insertion:
Proximal posterior medial surface of tibia
Main Action:
"Unlocks Knee"
In non-weight bearing medially rotates tibia on femur
IN weight bearing, laterally rotates femur on tibia
Innervation:
Tibial nerve
L4, L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Plantaris
CB 66 |
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Definition
Origin:
Lateral supracondylar ridge
Popliteal surface
Insertion:
Posteror part of calcaneus
Main Action:
Assist in plantar flexion of ankle
Assist in flexion of knee
Innervation:
Tibial nerve
L4, L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Gastrocnemius
CB 66 |
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Definition
Origin:
Two heads:
Lateral head: Lateral femoral condyle
Medial head: Medial femoral condyle
Insertion:
Forms calcaneal tendon (Achilles tendon) and inerts into posterior surface of calcaneus
Main Action:
Plantar flexion of ankle
Assist in flexion of knee
Innervation:
Tibial nerve
S1, S2 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Soleus
CB 66 |
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Definition
Origin:
Head of fibula
Posterior surface of upper 1/3 of tibia
Insertion:
Forms calcaneal tendon and into posterior surface of calcaneus
Main Action:
Plantar flexes the ankle
Innervation:
Tibial nerve
S1, S2 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Tibialis Anterior
CB 65 |
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Definition
Origin:
Lateral condyle of tibia
Upper 1/2 lateral surface tibia
Insertion:
Medial and plantar surface of medial cuneiform and base of 1st metactarsal
Main Action:
Dorsiflexion and inversion
Innervation:
Deep fibular nerve
L4, L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Extensor Hallucis Longus
CB 65 |
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Definition
Origin:
Middle 1/3 anteriro of fibula
INterosseous membrane
Insertion:
Base of distal phalanx of great toe
Main Action:
Extends great toe
Innervation:
Deep fibular nerve
L4, L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Extensor digitorum longus
CB 65 |
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Definition
Origin:
Lateral condyle of tibia
Upper 3/4 anterior surface fibula
Interosseus membrane
INsertion:
By four tendons to second through fifth digits to base of distal phalanges vial lateral slips
Main Action:
Extends distal and middle interphalangeal joints
Extends MTP
Assist dorsiflexion of ankel
Innervation:
Deep fibular nerve
L4, L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Fibularis (peroneus) Tertius
CB 65 |
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Definition
Origin:
Distal 1/3 anterior surface of fibula
INsertion:
Base of 5th metatarsal, dorsal surface
Main Action:
Dorsiflexes and everts
Innervation:
Deep fibular nerve
L4, L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Fibularis (peroneus) Longus
CB 65 |
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Definition
Origin:
Lateral condyle tibia
Head of fibula Upper 2/3 lateral fibula
Insertion:
Lateral and plantar surface of medial cuneiform and base of 1st metatarsal
Forms stirrup of foot w/Tib Ant
Main Action:
Eversion
Assists in plantar flexion
Innervation:
Superficial fibular nerve
L4, L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Fibularis (peroneus) Brevis
CB 65 |
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Definition
Origin:
Lower 2/3 lateral fibula
Insertion:
Tuberosity at base of fifth metatarsal, lateral side
Main Action:
Eversion
Assist in plantar flexion
Innervation:
Superficial fibular nerve L4, L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Tubialis Posterior
CB 66 |
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Definition
Origin:
Posterior lateral shaft of tibia - proximal 2/3
Posterior medial shaft of fibula - proximal 2/3
Interosseus membrane
Insertion:
Tuberosity of navicular, three cuneiorms, cuboid
base of 2nd, 3rd, and 4th metatarsals
Main Action:
INversion and plantar flexion
Adducts (supinates) the forefoot
Innervation:
Tibial Nerve
L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Flexor Digitorum Longus
CB 195 |
|
Definition
Origin:
Middle 1/3 posterior tibia
Insertion:
Base of distal phalanges #2-5 digits (plantar surface)
Main Action:
Flexion of DIP, PIP, MTP digits #2-5
Assists with plantar flexion and inversion
Innervation:
Tibial Nerve
L5, S1 |
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Term
Origin | Insertion | Main Action | Nerve Innervation
Flexor Hallucis Longus
CB 66 |
|
Definition
Origin:
Middle 1/2 posterior fibula
Interosseous membran
Insertion:
Base of distal phalanx great toe (#1)
Main Action:
Flexion of distal phalanx of great toe (IP joint)
Assists with plantar flexion and inversion
Innervation:
Tibial nerve
L5, S1, S2 |
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