Anatomy & Physiology: Muscle Identification: FUNCTION
Terms
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- Brachialis
- Forearm flexor (lifts ulna as biceps lift the radius)
- Adductor longus
- Adducts, flexes and laterally rotates thigh
- Biceps Brachii
- Flexes elbow joint; supinates arm; weak flexor of arm at shoulder
- Triceps brachii
- Extends forearm; antagonist of forearm flexors; long head of tendon may help stabilize shoulder jt, assist in arm adduction
- Biceps Femoris
- Extends thigh and flexes knee; laterally rotates leg
- Vastus Medialis
- Extends knee, stabilizes patella
- Semimembranous
- Extends thigh and flexes knee, medially rotates leg
- Rectus Femoris
- Extends knee and flexes thigh at hip
- Semitendenosus
- Extends thigh at hip; flexes knee; medially rotates leg
- Sartorius
- Flexes and laterally rotates thigh, flexes knee