Term
|
Definition
origin: Superior tibia and fibula
insertion: Posterior calcaneus
action: Plantar flexes foot |
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Term
| Epicranium - frontal belly |
|
Definition
origin: Epicranial aponeurosis
insertion: Skin of the Eyebrown, bridge of nose
action: Raise the Eyebrown, wrinkles forehead |
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Term
| Epicranium - occipital belly |
|
Definition
origin: Occipital and temporal bones
insertion: Epicranial aponeurosis
action: Pulls scalp posteriorly |
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Term
|
Definition
origin:Frontal and maxillary bones
insertion:Eyelid
action:Closes eyes, blinking, squinting |
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Term
|
Definition
origin:
Zygomatic bone and infraorbital margin of maxilla
insertion:
Skin and muscle of upper lip and border of nostril
action:
Raises and furrows upper lips; open lips |
|
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Term
| Zygomatic Major and Minor |
|
Definition
origin:
Zygomatic Bone
insertion:Skin and muscle of corner the mouth
action:Raises lateral corners of mouth upward (smiling muscle) |
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Term
|
Definition
origin:
Fascia of masseter muscle
insertion:
Skin at angle of the mouth
action:
Pulls Corner of Lips Laterally; tenses lip; zygmatic synergistic |
|
|
Term
|
Definition
origin:
Maxilla and Mandible
insertion:
Skin and muscle at angle of the mouth
action:
Closes lips; purses and protrudes lips (kissing and whistling muscle) |
|
|
Term
|
Definition
origin:
Molar region of maxilla and mandible
insertion:
Orbicularis Oris
action:
Draw corner of mouth laterally, ; compresses cheek (as in whistling); holds food between teeth during chewing |
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Term
|
Definition
origin:
Zygomatic arch and maxilla
insertion:
Angle and ramus of mandible
action:
Closes the Jaw |
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Term
|
Definition
origin:
Temporal Fossa
insertion:
Coronoid process of mandible
action:
Closes and retracts the Jaw |
|
|
Term
|
Definition
origin:
Molar region of maxilla and mandible
insertion:
Orbicularis Oris
action:
Draw corner of mouth laterally, ; compresses cheek (as in whistling); holds food between teeth during chewing |
|
|
Term
|
Definition
origin:
Internal surface of mandible
insertion:
Inferior aspect of tongue and body of hyoid bone
action:
Protracts tongue |
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|
Term
|
Definition
origin:
Styloid process of temporal bone
insertion:
Inferolateral tongue
action:
Retracts and elevates tongue |
|
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Term
|
Definition
origin:
Bony orbit
insertion:
Outer surface of eyeball
action:
Elevates the Eye and Turns it Medially |
|
|
Term
|
Definition
origin:
Bony orbit
insertion:
Outer surface of eyeball
action:
Depresses the Eye and turns it Medially |
|
|
Term
|
Definition
origin:
Bony orbit
insertion:
Outer surface of eyeball
action:
Moves eye laterally |
|
|
Term
|
Definition
origin:
Bony orbit
insertion:
Outer surface of eyeball
action:
Moves eye medially |
|
|
Term
|
Definition
origin:
Bony orbit
insertion:
Outer surface of eyeball
action:
Elevates the Eye and Turns it Laterally |
|
|
Term
|
Definition
origin:
Bony orbit
insertion:
Outer surface of eyeball
action:
Depresses the Eye and turns it Laterally |
|
|
Term
|
Definition
origin:
Lower margin of Mandible and Mastoid Process
insertion:
Hyoid Bone
action:
Elevates Hyoid Bone; open mouth and depress mandible |
|
|
Term
|
Definition
origin:
Styloid Proxcess of Temporal bone
insertion:
Hyoid Bone
action:
Elevates and Retracts Hyoid Bone |
|
|
Term
|
Definition
origin:
Inner surface of mandible
insertion:
Hyoid Bone
action:
Pulls hyoid bone superiorly and anteriorly |
|
|
Term
|
Definition
origin:
Manubrium and medial end of Clavicle
insertion:
Hyoid Bone
action:
Depresses Larynx and Hyoid Bone |
|
|
Term
|
Definition
origin:
Manubrium
insertion:
Thyroid cartilage of larynx
action:
Depresses Larynx and Hyoid Bone |
|
|
Term
|
Definition
origin:
Superior border of Scapula
insertion:
Hyoid Bone
action:
Depresses Larynx and Hyoid Bone |
|
|
Term
|
Definition
origin:
Manubrium of sternum and medial aspect of clavicle
insertion:
Mastoidprocess of temporal bone and superior nuchal line of occipital bone
action:
Simultaneous contraction : flexion forward of the neck; independent contraction: rotate head toward shoulder on opposite side |
|
|
Term
| Scalenes: Anterior, Middle, Posterior |
|
Definition
origin:
Transverse processes of cervical vertebrae
insertion:
Anterolaterally on ribs 1 and 2
action:
Flex and sligthly rotate neck; elevates first 2 ribs; aid in inspiration |
|
|
Term
|
Definition
origin:
Spinous process of vertebrae C7-T6
insertion:
Mastoid process of temporal bone, occipital bone, and transverse process of cervical vertebrae
action:
Extends or hyperextends the head |
|
|
Term
|
Definition
origin:
Iliac crest, inferior thoracic and cervical ribs
insertion:
Ribs and transverse processes of cervical vertebrae
action:
Extends and laterally flex the vertebral column |
|
|
Term
|
Definition
origin:
Transverse processes of lumbar through cervical vertebrae
insertion:
Transverse processes of thoracic and cervical vertebrae, and mastoid process of temporal bone
action:
Extends and laterally flex the vertebral column; extends head and turns the face toward same side |
|
|
Term
|
Definition
origin:
Spinous process of upper lumbar and lower thoracic vertebrae
insertion:
Spinous process of upper thoracic and cervical vertebrae
action:
Extends vertebral column |
|
|
Term
|
Definition
origin:
Transverse processes of C7-T12
insertion:
Occipital bone, and spinous processes of cervical and thoracic vertebrae
action:
Extends vertebral column and head, and rotates them to opposite side |
|
|
Term
|
Definition
origin:
Iliac crest
insertion:
Transverse processes of lumbar vertebrae and lower margin of 12th rib
action:
Flexes vertebral column laterally |
|
|
Term
|
Definition
origin:
Inferior Border of Rib Above
insertion:
Superior border of Rib Below
action:
Elevates Rib Cage |
|
|
Term
|
Definition
origin:
Superior border of Rib Below
insertion:
Inferior Border of Rib Above
action:
Depresses Rib Cage |
|
|
Term
|
Definition
origin:
Ribs and its Cartilage, Sternum, Vertebrae
insertion:
Central Tendon
action:
Prime Action in Inspiration |
|
|
Term
|
Definition
origin:
Pubic crest and symphysis
insertion:
Xiphoid Process, Ribs
action:
Flexes and Rotates Lumbar Vertebral Column, Increase Abdominal Pressure |
|
|
Term
|
Definition
origin:
Lower 8 Ribs
insertion:
Linea Alba, Pubic crest and tubercle, Iliac crest
action:
Flex Vertebral Column and Compress Abdominal Wall; Helps Trunk Rotation and Lateral Flexion |
|
|
Term
|
Definition
origin:
Lumbar Fascia, iliac crest, Inguinal Ligament
insertion:
Linea Alba, Pubic crest, and last 3 or 4 Ribs
action:
Flex Vertebral Column and Compress Abdominal Wall; Helps Trunk Rotation and Lateral Flexion |
|
|
Term
|
Definition
origin:
Last 6 Ribs, Inguinal Ligament, iliac crest, Lumbar Fascia
insertion:
Linea Alba, Pubic crest
action:
Compresses Abdominal Content |
|
|
Term
|
Definition
origin:
3-5 Ribs
insertion:
Coracoid process of Scapula
action:
Ribs Fixed: Moves Scapula Forward and Inferiorly and with Scapula fixed it moves up the rib cage (Accessory Muscle for Respiration) |
|
|
Term
| Serratus Anterior Muscles |
|
Definition
origin:
1-8 Ribs
insertion:
Scapula (Anterior Surface of medial border)
action:
Rotates scapulat so that the inferior angle moves laterally and upward; Fixates, Protracts the Scapula |
|
|
Term
|
Definition
origin:
Occipital Bone, Spinous processes of C7 and all throacic vertebrae
insertion:
Acromin and spine of scapula, and lateral third of Clavicle
action:
Extend Head; elevate, retracts and rotates the Scapula |
|
|
Term
| Rhomboids Major and Minor |
|
Definition
origin:
Spinous processes of vetebrae (C7 and T1 for minor; T2-T5 for major)
insertion:
Medial Border of Scapula
action:
Adducts Scapula (squaring shoulders) |
|
|
Term
|
Definition
origin:
Transverse Processes of C1-C4 Vetebrae
insertion:
Medial Border of Scapula and superior to the spine
action:
Elevates and adducts the Scapula |
|
|
Term
|
Definition
origin:
Sternal end of Clavicle, Sternum, 1-6 Ribs
insertion:
Intertubercular sulcus and greater tubercle of Humerus
action:
Prime mover of arm flexion; rotates arm medially; adducts arm |
|
|
Term
|
Definition
origin:
Lateral third of Clavicle and Acromion and spine of Scapula
insertion:
Deltoid tuberosity of Humerus
action:
Abduction of the Shoulder |
|
|
Term
|
Definition
origin:
spine of lwoer 6 thoracic vertebrae, Lower 3-4 Ribs, Iliac crest
insertion:
Intertubercular sulcus of Humerus
action:
Agonist for Shoulder extension; arm adductor; medially rotates arm at shoulder |
|
|
Term
|
Definition
origin:
Subscapula fossa of scapula
insertion:
Lesser tubercle of humerus
action:
Chief medial rotator of humerus |
|
|
Term
|
Definition
origin:
Supraspinatus fossa of scapula
insertion:
Greater tubercle of humerus
action:
Initiate abduction of humerus |
|
|
Term
|
Definition
origin:
Infraspinatus fossa of scapula
insertion:
Greater tubercle of humerus
action:
Rotates humerus laterally |
|
|
Term
|
Definition
origin:
Lateral border of dorsal scapula surface
insertion:
Greater tubercle of humerus
action:
Rotates humerus laterally |
|
|
Term
|
Definition
origin:
Posterior surface of scapula at inferior angle
insertion:
Lesser tubercle of humerus
action:
Extends, medially rotates, and adducts the humerus; synergistic to latissimus dorsi |
|
|
Term
|
Definition
origin:
Coracoid process of scapula
insertion:
Medial surface of humerus shaft
action:
Flexion and adduction of humerus |
|
|
Term
|
Definition
origin:
Infraglenoid tubercle of Scapula, posterior shaft of Humerus
insertion:
Olecranon Process of Ulna
action:
Agonist for Extension of the Forearm |
|
|
Term
|
Definition
origin:
Coracoid Process of Scapula, Supraglenoid tubercle of Scapula
insertion:
Radial Tuberosity of Radius
action:
Agonist for Flexion of the Elbow and Supinates the forearm |
|
|
Term
|
Definition
origin:
Distal Humerus
insertion:
Coronoid Process of Ulna
action:
Flexes the forearm |
|
|
Term
|
Definition
origin:
Lateral Supracondylar of Humerus
insertion:
Styloid Process of Radius
action:
Synergist for Flexion of the Forearm |
|
|
Term
|
Definition
origin:
Medial epicondyle of humerus; coronoid process of ulna
insertion:
Midshaft lateral radius
action:
Pronates forearm |
|
|
Term
|
Definition
origin:
Medial epicondyle of humerus
insertion:
Base of 2nd and 3rd metacarpals
action:
Flexor of wrist; abducts hand |
|
|
Term
|
Definition
origin:
Medial epicondyle of humerus
insertion:
Palmar aponeurosis
action:
Tenses skin and fascia of palm during hand movements; weak wrist flexor |
|
|
Term
|
Definition
origin:
Medial epicondyle of humerus; olecranon process of ulna
insertion:
Pisiform, hamate, and base of 5th metacarpal
action:
Flexor of wrist; adducts hand |
|
|
Term
| Flexor digitorum superficialis |
|
Definition
origin:
Medial epicondyle of humerus; coronoid process of ulna; shaft of radius
insertion:
Middle phalanges of fingers 2-5
action:
Flexes wrist and middle phalanges of fingers 2-5 |
|
|
Term
|
Definition
origin:
Anterior surface of radius
insertion:
Distal phalanx of thumb
action:
Flexes distal phalanx of thumb |
|
|
Term
|
Definition
origin:
Distal portion of anterior ulnar shaft
insertion:
Distal surface of anterior radius
action:
Prime mover of forearm pronation |
|
|
Term
|
Definition
origin:
Lateral Supracondylar of Humerus
insertion:
Styloid Process of Radius
action:
Synergist for Flexion of the Forearm |
|
|
Term
| Extensor carpi radialis longus |
|
Definition
origin:
Lateral supracondylar ridge of Humerus
insertion:
Base of 2nd Metacarpal
action:
Extends wrist; abducts wrist |
|
|
Term
| Extensor carpi radialis brevis |
|
Definition
origin:
Lateral epicondyle of Humerus
insertion:
Base of 3rd Metacarpal
action:
Extends and abducts wrist |
|
|
Term
|
Definition
origin:
Lateral epicondyle of Humerus
insertion:
Distal Phalanges of Fingers 2-5
action:
Prime mover of finger extension |
|
|
Term
|
Definition
origin:
Lateral epicondyle of Humerus and posterior border of ulna
insertion:
Base of 5th Metacarpal
action:
Extends wrist; adducts wrist |
|
|
Term
|
Definition
|
|
Term
|
Definition
origin:
Iliac fossa, iliac crest, and ala of sacrum
insertion:
Lesser trochanter of femur
action:
Prime mover of flexing thigh; helps in flexing trunk on thigh |
|
|
Term
|
Definition
origin:
Transverse processes of lumbar and T12 vertebrae
insertion:
Lesser trochanter of femur
action:
Prime mover of flexing thigh; helps in flexing laterally vertebral column |
|
|
Term
|
Definition
origin:
Anterior superior iliac spine
insertion:
Medial aspect of proximal tibia
action:
Flexes, abducts, and laterally rotates thigh; flexes knee; produces the cross-legged position |
|
|
Term
|
Definition
origin:
Ischial and pubic rami; and ischial tuberosity
insertion:
Linea aspera and adductor tubercle of femur
action:
Adducts, medially rotates, and flexes thigh; also synergistic to hamstrings in thigh extension |
|
|
Term
|
Definition
origin:
Pubis near pubic symphysis
insertion:
Linea aspera
action:
Adducts, medially rotates, and flexes thigh |
|
|
Term
|
Definition
origin:
Body and inferior ramus of pubis
insertion:
Linea aspera and adductor tubercle of femur
action:
Adducts and medially rotates thigh |
|
|
Term
|
Definition
origin:
Superior ramus of pubis
insertion:
Lesser trochanter and linea aspera
action:
Adducts, medially rotates, and flexes thigh |
|
|
Term
|
Definition
origin:
Inferior ramus and body of pubis; and adjacent ischial ramus
insertion:
Medial surface of tibia, just inferior to its medial condyle
action:
Adducts, medially rotates, and flexes leg during walking |
|
|
Term
|
Definition
|
|
Term
|
Definition
origin:
Anterior inferior iliac spine and superior margin of acetabulum
insertion:
Patella and tibial tuberosity of tibia
action: |
|
|
Term
|
Definition
origin:
Greater trochanter, intertrochanteric line, linea aspera
insertion:
Patella and tibial tuberosity of tibia
action:
Extends and stabilizes knee |
|
|
Term
|
Definition
origin:
Linea aspera, intertrochanteric and medial supracondylar lines
insertion:
Patella and tibial tuberosity of tibia
action:
Extends knee |
|
|
Term
|
Definition
origin:
Anterior and lateral surfaces of proximal femur shaft
insertion:
Patella and tibial tuberosity of tibia
action:
Extends knee |
|
|
Term
|
Definition
origin:
Anterior aspect of iliac crest and anterior superiror iliac spine
insertion:
Iliotibial tract
action:
Steadies the knee and trunk on thigh by making iliotibial tract taut; flexes and abducts thigh; rotates thigh medially |
|
|
Term
|
Definition
origin:
Dorsal ilium, sacrum and coccyx
insertion:
Gluteal tuberosity of femur; iliotibial tract
action:
Major extensor of thigh |
|
|
Term
|
Definition
origin:
Between anterior and posterior gluteal lines on lateral surface of ilium
insertion:
Greater trochanter of femur
action:
Abducts and medially rotates thigh |
|
|
Term
|
Definition
origin:
Between anterior and inferior gluteal lines on external surface of ilium
insertion:
Greater trochanter of femur
action:
Abducts and medially rotates thigh |
|
|
Term
|
Definition
|
|
Term
|
Definition
origin:
Ischil tuberosity, linea aspera, lateral supracondylar line, and distal femur
insertion:
Head of fibula and lateral condyle of tibia
action:
Extends thigh and flexes knee |
|
|
Term
|
Definition
origin:
Ischial tuberosity
insertion:
Medial aspect of upper tibial shaft
action:
Extends thigh and flexes knee |
|
|
Term
|
Definition
origin:
Ischial tuberosity
insertion:
Medial condyle of tibia and lateral condyle of femur
action:
Extends thigh and flexes knee |
|
|
Term
|
Definition
origin:
Lateral condyle and upper 2/3 of tibial shaft
insertion:
Inferior surface of medial cuneiform and first metatarsal
action:
Prime mover of dorsiflexion |
|
|
Term
| Extensor digitorum longus |
|
Definition
origin:
Lateral condyle and upper 3/4 of fibula shaft
insertion:
Medial and distal phalanges of toes 2-5
action:
Prime mover of extension |
|
|
Term
| Fibularis (peroneus) longus |
|
Definition
origin:
Head and upper portion of lateral fibula
insertion:
First metatarsal and medial cuneiform
action:
Plantar flexes and everts foot |
|
|
Term
|
Definition
origin:
Infraglenoid tubercle of Scapula, posterior shaft of Humerus
insertion:
Olecranon Process of Ulna
action:
Agonist for Extension of the Forearm |
|
|
Term
|
Definition
origin:
Medial and lateral condyle of femur
insertion:
Posterior calcaneus
action:
Plantar flexes foot |
|
|
Term
|
Definition
origin:
Superior tibia and fibula
insertion:
Posterior calcaneus
action:
Plantar flexes foot |
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|
