Chapter 6 and 7 Study Guide

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Which of the following is not an action of the brachioradialis muscle?

Extension of the elbow

Which of the following is the primary function of the extensor digiti minimi muscle?

Extension of the little finger at the metacarpophalangeal joint

Which of the following is the primary function of the extensor pollicis longus muscle?

Extension of the thumb

Which of the following statements is true about the carrying angle?

It permits the forearms to clear the hips in the swinging movements during walking.

Which of the following is the origin of the flexor carpi radialis muscle?

Medial epicondyle of the humerus

Which of the following is the origin of the palmaris longus muscle?

Medial epicondyle of the humerus

Which of the following muscles does not perform wrist extension?

The abductor pollicis longus muscle

Which of the following is the insertion of the flexor digitorum profundus muscle?

The base of the distal phalanges of the four fingers

Which of the following is the insertion of the extensor carpi ulnaris muscle?

The base of the fifth metacarpal on the dorsal surface

Which of the following is the insertion of the extensor carpi radialis brevis muscle?

The base of the third metacarpal on the dorsal surface

Which of the following muscles inserts on the four tendons to bases of middle and distal phalanges of the four fingers on the dorsal surface?

The extensor digitorum muscle

Which of the following muscles performs adduction of the wrist?

The flexor carpi ulnaris muscle

Which of the following muscles performs flexion of the thumb?

The flexor pollicis longus muscle

Which of the following is the sole action of the brachialis muscle?

True flexion of the elbow

The _____ muscle does not perform flexion of the elbow.

pronator quadratus


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