Question

Really need help! Thanks. 8-12. Complete the following table with at least one answer in each...

Really need help! Thanks.

8-12. Complete the following table with at least one answer in each box.

Muscle

Action

Synergist

Antagonist

Extensor carpi radialis longus

Abductor pollicis brevis

none

Flexor carpi ulnaris, flexor digitorum profundus and superficialis

Laterally rotates and adducts humerus, stabilizes shoulder joint

Abducts thumb

none

Teres major, supraspinatus

Supinator

Extensor carpi radialis longus and brevis

Flexes phalanges, flexes wrist

Triceps brachii

Infraspinatus

Flexes and abducts wrist

Extensor carpi radialis longus and extensor carpi ulnaris

Flexor pollicis brevis

Medially rotates arm, stabilizes shoulder joint

Extensor pollicis brevis

Brachialis

Teres minor, subscapularis, biceps brachii, deltoid

Flexes thumb

Extensor carpi radialis brevis

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Answer #1
muscle action synergist antagonist
supinator supination of forearm extensor carpi radialis longus and brevis pronator teres and quadratus
flexor digitorum profondus flexes phalanges and wrist flexor digitorum superficialis, palmaris longus extensor digitorum
biceps brachii

flexes elbow, flexes and abducts shoulder,

supination

brachioradialis and brachialis triceps brachii
infraspinatus externally rotates the humerus and stabilises shoulder teres minor and deltoid subscapularis, pectoralis major, lattisismus dorsi
flexor carpi radialis flexes and abducts wrist flexor carpi ulnaris and palmaris longus, abductor pollicis longus extensor carpi radialis longus and brevis

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