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latissimus dorsi

prime mover of arm extension arm adductor, power stroke

pectoralis major

prime mover of arm flexion; adducts arm


prime mover of arm abduction; antagonist of pectoralis major and latissimus dorsi


adducts and flexes arm

teres major

extends, adducts, and medially rotates arm

rotator cuff

stabilizes shoulder joint

biceps brachii

flexes elbow joint and supinates forarm


flexes elbow joint ( prime mover)


flexes elbow joint

triceps brachii

extends elbow joint ( prime mover)

flexor carpi radialis

flexes and abducts hand at wrist; synergist of elbow flexion

palmaris longus

weak wrist flexor

flexor carpi ulnaris

flexes and adducts wrist

flexor digitorum superficialis

flexes wrist and middle phalanges of fingers 2-5

flexor pollicis longus

flexes joints of thumb; flexes wrist

extensor carpi radialis brevis

extends and abducts wrist

extensor carpi radialis longus

extends and abducts wrist

extensor digitorum

prime mover of finger extension extends wrist and abducts fingers

extensor carpi ulnaris

extends and adducts wrist

extensor pollicis brevis

extends joints of thumb; adducts wrist

extensor pollicis longus

extends joints of thumb adducts wrist


prime mover of hip flexion, flexes trunk on thigh

psoas major

prime mover of hip flexion; lateral flexion of vertebral column; posture


flexes and laterally rotates thigh ant hip joint, flexes knee, tailor's muscle


adducts and medially or laterally rotates thigh

gluteus maximus

prime mover of hip extension, laterally rotates thigh at hip joint, antagonist of iliopsoas

gluteus medius

abducts PM and medially rotates thigh at hip joint

gluteus minimus

abducts thigh medially rotates thigh at hip joint under medius

tensor fasciae latae

abducts and medially rotates thigh


prime mover of thigh extension and knee flexion, biceps femoris, semitendinosus, semimembranosus

quadriceps femoris

extends knee joint (prime mover) and flexes thigh at hip rectus femoris, vastus lateralis, vastus medialis, vastus intermedius

extensor digitorum longus

dorsiflexes foot; prime mover of toe extension

extensor hallicus longus

extends great toe, dorsiflexes foot

tibialis anterior

prime mover of dorsiflexion of foot; inverts foot


prime mover of plantar flexion of foot, flexes knee when foot dorsiflexes


prime mover of plantar flexion of foot

flexor digitorum longus

plantar flexes and inverts foot;flexes toes; helps foot grip ground

flexor hallucis longus

plantar flexes and inverts foot; flexes great toe; push off muscle durring walking


unlocks extended knee for knee flexion

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