Term
| Gastrocnemius (superficial calf) |
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Definition
Origin-by 2 heads from MEDIAL and LATERAL condyles of FEMUR
Insertion-Calcaneus via calcaneal tendon
Action-plantar flexes foot when knee is extended;can flex knee when foot is dorsiflexed |
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Term
| Rectus femoris (of the quads) |
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Definition
Origin-anterior inferior iliac spine and superior margin of ACETABULUM
Insertion-Tibial tuberosity and patella
Action-Extends knee and flexes thigh at hip |
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Term
| Sartorius (runs obliquely across anterior surface of thigh to knee) |
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Definition
Origin-Anterior superior iliac spine
Insertion-by an APONEUROSIS into medial aspect of TIBIA
Action- Flexes, abducts, and laterally rotates thigh; flexes knee |
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Term
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Definition
Origin-long head-inferior margin of glenoid cavity; lateral head-posterior humerus;medial head-distal radial groove on posterior humerus
Insertion- olecranon process of ulna
Action- powerful forearm extensor |
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Term
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Definition
Origin- short head: coracoid process; tendon of long head runs in intertubercular sulcus and w/in capsule of shoulder joint
Insertion- radial tuberosity
Action-Flexion (powerful) of elbow and supination of forearm |
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Term
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Definition
| Origin-clavicle,sternum, cartilage of ribs [1-6] (or 7) and apon |
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Term
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Definition
Origin-clavicle,sternum, cartilage of ribs [1-6] (or 7) and aponuerosis of external oblique muscle
Insertion-short tendon into intertubercular sulcus of humerus
Action- prime mover of arm flexion; adducts,medially rotates arm |
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Term
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Definition
Origin- lateral half of clavicle and acromion and spine of scapula
Insertion-deltoid tuberosity of humerus
Action-prime mover of arm abduction |
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Term
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Definition
Origin-temporal fossa
Insertion-Coronoid process of mandible
Action-closes jaw |
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Term
| Frontalis-(part of epicranius) |
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Definition
Origin- galea aponeurotica(cranial aponeurosis)
Insertion-skin of eyebrows and root of nose
Action-raises eyebrows |
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