Term
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Definition
Origin-fascia of the superior thorazx between cartilage of second rib and acromion of scapula
Insertion-Mandible and skin of cheek
Action-Tenses skin of neck depresses mandible |
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Term
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Definition
Origin-attaches to sternal end of clavicle
attaches to manubrium
Insertion-Mastoid region of skull and lateral portion of superior nuchal line
Action-together, they flex the neck |
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Term
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Definition
Origin-esternal and inferior borders of ribs 5-12
Insertion-external oblique aponeuroses extending to linea alba and iliac crest
Action-compresses abdomen;depresses ribes,flexes laterally flexes |
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Definition
ORigin-thorocolumbar fascia and iliac crest
Insertion: Inferior surfaces of ribs 9-12 costal cartilages 8-10 linea alba and pubis
Action-as above but rotates vetebral column to same side |
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Term
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Definition
origin-cartilages of ribs 6-12
insertion-linea alba and pubis
Action-compresses abdomen |
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Definition
Origin-superior surface of pubis around symphysis
Insertion-inferior surfaces of cartilages and xiphoid process of sternum
Action-depresses ribs, flexes veterbral column and compresses abdomen |
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Term
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Definition
Origin
Occipital bone, spines of C7 and all T vertebra
Insertion- spine and acromion of scapula
Action-Extends head; elevates, depresses, rotates and retracts scapula |
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Term
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Definition
origin-spinous process of superior thoracic vetebrae
Insertion-veterbral order of scapula from spine to inferior angle
Action-adducts and performs downward ortation af the scapula |
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Definition
Spinous processes of vetebrae-c7-t1
Insertion-vetebral border of scapula
action- same as major group |
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Term
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Definition
Origin -Transverse processes of first four cervical vetebreae
Insertion-vetebral border of scapula near superior angle
ACtion-elevates scapula |
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Term
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Definition
Origin-anterior surfaces and superior margins of ribs 3-5
Insertion-Coracoid process of scapula
Action-depresses and protracts shoulder |
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Term
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Definition
Deltoids (Anterior): Origin Lateral third of clavicle
Deltoids: Insertion Deltoid tuberosity of humerus
Deltoids (Anterior): Action Flexion, horizontal adduction, medial rotation of humerus |
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Term
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Definition
Supraspinatus: Orignin Supraspinous fossa of scapula
Supraspinatus: Insertion Greater tubercle of humerus (superior facet)
Supraspinatus: Action Abduction of humerus; stabilization of head of humerus |
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Term
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Definition
Infraspinatus: Origin Infraspinous fossa of scapula
Infraspinatus: Insertion Greater tubercle of humerus (middle facet)
Infraspinatus: Action Extension, lateral rotation of humerus |
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Term
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Definition
Subscapularis: Origin Subscapular fossa of scapula
Subscapularis: Insertion Lesser tubercle of humerus
Subscapularis: Action Adduction, medial rotation of humerus |
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Term
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Definition
Teres Minor: Origin Upper 2/3 of axillary border of scapula
Teres Minor: Insertion Greater tubercle of humerus (inferior facet)
Teres Minor: Action Extension, lateral rotation of humerus |
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Term
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Definition
Teres Major: Origin Inferior angle of scapula; Lower third of axillary border of scapula
Teres Major: Insertion Medial lip of bicipital groove of humerus
Teres Major: Action Extension, adduction, medial rotation of humerus |
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Term
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Definition
Latissimus Dorsi: Origin Thoracolumbar aponeurosis; lower 6 thoracic spinous processes; Sacrum and iliac crest; Lower 3-4 ribs; Inferior angle of scapula
Latissimus Dorsi: Insertion Bicipetal groove of humerus
Latissimus Dorsi: Action Extension, adduction, medial rotation of humerus |
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Term
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Definition
Pectoralis Major (Clavicular Head): Origin Medial half of clavicle
Pectoralis Major (Sternal Head): Origin Sternum, cartilages of upper 6 ribs
Pectoralis Major: Insertion Lateral lip of bicipital groove of humerus
Pectoralis Major (both heads): Action Adduction, horizontal adduction, medial roation of humerus
Pectoralis Major (Clavicular Head): Action Flexion of humerus
Pectoralis Major (Sternal Head): Action Extension of humerus from a flexed position |
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Term
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Definition
Origin-oracoid process
Insertion-medial margin of shaft of humerus
Action-adduction and flexion at shoulder |
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Term
| Biceps brachii (long and short head) |
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Definition
Biceps Brachii (Short Head): Origin Corocoid process of scapula
Biceps Brachii: Insertion Tuberosity of radius; bicipital aponeurosis
Biceps Brachii: Action Flexion of elbow, supination of forearm; Short Head: flexion of humerus |
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Definition
Brachialis: Origin Lower half of anterior shaft of Humerus
Brachialis: Insertion Tuberosity of Ulna; coronoid process of Ulna
Brachialis: Action Flexion of elbow |
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Definition
Brachioradialis: Origin Lateral supracondylar ridge of Humerus
Brachioradialis: Insertion Syloid Process of Radius
Brachioradialis: Action Flexion of elbow with forearm in neutral postion |
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Term
| Triceps brachii (long, lateral and medial head) |
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Definition
Triceps Brachii (Long Head): Origin Infraglenoid tubercle of scapula
Triceps Brachii (Lateral Head): Origin Posterious humerus above spiral groove
Triceps Brachii (Medial Head): Origin Posterior humerus below spiral groove
Triceps Brachii: Insertion Olecranon process of ulna
Triceps Brachii: Action Extension of elbow; Long Head: Extension of humerus |
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Term
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Definition
Flexor Carpi Ulnaris: Origin Humeral head-
Flexor Carpi Ulnaris: Insertion Pisiform, Hamate, Base of 5th metacarpal
Flexor Carpi Ulnaris: Action Flexion of wrist w/ulnar deviation |
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Term
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Definition
Palmaris Longus: Origin Medial epicondyle of Humerus
Palmaris Longus: Insertion Palmar aponeurosis, flexor retinaculum
Palmaris Longus: Action Assists flexion of wrist |
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Term
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Definition
Flexor Carpi Radialis: Origin Medial epicondyle of Humerus
Flexor Carpi Radialis: Insertion Bases of 2nd and 3rd metacarpals
Flexor Carpi Radialis: Action Flexion of wrist w/radial deviation |
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Definition
Extensor Digitorum: Origin Lateral epicondyle of Humerus (common extensor tendon)
Extensor Digitorum: Insertion Extensor expansion of 4 fingers
Extensor Digitorum: Action Extension of proximal phalanges of 4 fingers at MP joint; assists flexion of wrist |
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Term
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Definition
Extensor Carpi Ulnaris: Origin Lateral epicondyle of Humerus (common extensor tendon); posterior proximal Ulna
Extensor Carpi Ulnaris: Insertion Base of 5th metacarpal
Extensor Carpi Ulnaris: Action Extension of wrist w/ulnar deviation |
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Term
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Definition
Extensor Carpi Radialis Brevis: Origin Lateral epicondyle of Humerus (common extensor tendon)
Extensor Carpi Radialis Brevis: Insertion Base of 3rd metacarpal
Extensor Carpi Radialis Brevis: Action Extension of writs |
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Term
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Definition
Gluteus Maximus: Origin Posterior sacrum; Ilium (via ligamentous sheath); Superior gluteal line of Ilium
Gluteus Maxiumus: Insertion Gluteal tuberosity of femur;
Gluteus Maximus: Action Extension of femur at hip; Lateral rotation of hip; (primary anti-gravity muscle) |
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Term
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Definition
Origin-Iliac crest and lateral surfac of anterior superior iliac spine
Insertion-iliotibial tract
Action-Abduction and mdial rotation at hip |
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Term
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Definition
Pectineus: Origin Anterior pubis
Pectineus: Insertion Posterior femur between lesser trochanter and linea asperea
Pectineus: Action Flexion of femur at hip; assists in adduction of femur at hip |
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Term
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Definition
Adductor (Longus and Brevis): Origin Anterior pubis
Adductor (Longus and Brevis): Insertion Linea aspera on posterior femur
Adductor (Longus and Brevis): Action Adduction of femur at hip; Assists in flexion of hip |
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Term
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Definition
Adductor Magnus (posterior head): Origin Ischial tuberosity and ramus of ischium
Adductor Magnus (anterior head): Insertion Linea aspera of femur
Adductor Magnus (posterior head): Insertion Adductor tubercle of femur
Adductor Magnus (both heads): Action Adduction of femur at hip |
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Term
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Definition
Gracilis: Origin Inferior ramus of anterior pubis
Gracilis: Insertion Medial proximal tibia
Gracilis: Action Adduction of femur at hip; Assists flexion and medial rotation of flexed knee |
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Term
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Definition
Sartorius: Origin Anterior Superior Iliac Spine (ASIS)
Sartorius: Insertion Upper medial shaft of tibia
Sartorius: Action Assists flexion, aduction, lateral rotation of femur at hip; Assists flexion, medial rotation of knee ("tailor position") |
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Term
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Definition
origin-anterior inferior iliac spine and superior acetabular rim of ilium
Insertion-tibal tuberosity via quadriceps tedn, patella
Action-extension at knee, flexion at hip |
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Term
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Definition
Origin-anterior and inferior to greater torachanter of femur
Insertion-tibial tuberosity
Action-exstention at knee |
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Term
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Definition
Origin-entire length of linea alba
Insertion- Tibial tuberosity
Action-exstention at knee |
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Term
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Definition
Origin-Anterolateral surface of femur and lina aspera
Insertion-Tibial tuberosity
Action-exstention at knee |
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Term
| Biceps femoris (long and short head) |
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Definition
origin-one, the long head, arises from the lower and inner impression on the back part of the tuberosity of the ischium,
short head-the other, the short head, arises from the lateral lip of the linea aspera,
Insertion-head of fibula
action-flexion at knee |
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Term
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Definition
origin-ischial tuberosity
Insertion-proximal medial surfac of tibia
Action-flexion at knee |
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Term
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Definition
Orgin-ischial tuberosity
Insertion-Posterior surface of medial condyle
Action-flexion at knee |
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Term
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Definition
Origin-femoral condyles
Insertion-calcaneus via calcaneal tendon
Action-plantar flexion at ankle |
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Term
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Definition
origin-head and proximal shaft of fibula
insertion-calcaneus
Action-plantar flexion at ankle |
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Term
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Definition
Origin-lateral condyle and proximal shaft
Insertion-base of first metatarsal bone and medial cuneiform
Action-dorsiflexion at ankle |
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Term
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Definition
Peroneus (Fibularis) Longus: Origin Head and lateral shaft of fibula (upper 2/3)
Peroneus (Fibularis) Longus: Insertion Base of firs metatarsal; first (medial) cuneiform (plantar surface)
Peroneus (Fibularis) Longus: Action Eversion of foot; assists plantarflexion of ankle |
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Term
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Definition
Origin-interosseous membrane
Insertion-navicular, all three cuneforms
Action-dorsi-flextion |
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