Extensors and Flexors of the Wrist and Hand

Which of the following is an action of the extensor carpi radialis longus?

abduct the wrist

Which of the following is an action of the flexor carpi radialis?

abduct the wrist

Which of the following is an action of the extensor carpi ulnaris?

adduct the wrist

Which of the following is an action of the flexor carpi ulnaris?

adduct the wrist

Which movement will lengthen the fibers of extensor carpi radialis longus and brevis?

adduction of the wrist

What triangular-shaped muscle is a weak elbow extensor located lateral to the olecranon process?

anconeus

Which of the following is an action of the extensor digitorum?

assist to extend the wrist

Which of the following is an action of the extensor carpi radialis brevis?

assist to flex the elbow

Which of the following is an action of the flexor digitorum profundus?

assist to flex the wrist

Which is the insertion of the extensor carpi ulnaris?

base of fifth metacarpal

Which is the insertion of the extensor carpi radialis longus?

base of second metacarpal

Which is the insertion of the extensor carpi radialis brevis?

base of third metacarpal

Which of the following is a part of the insertion of the flexor digitorum profundus?

bases of distal phalanges, palmar surface

Which is the insertion of the extensor digitorum?

bases of middle and distal phalanges of 2nd - 5th fingers

Which is the insertion of the flexor carpi radialis?

bases of second and third metacarpals

Which extensor muscle can be palpated alongside the shaft of the ulna?

extensor carpi ulnaris

Which of the following is an action of the flexor digitorum superficialis?

flex the 2nd - 5th fingers

Which of the following is an action of the palmaris longus?

flex the wrist

Which muscle runs between the pisiform and the medial epicondyle of the humerus?

flexor carpi ulnaris

Which is the insertion of the palmaris longus?

flexor retinaculum and palmar aponeurosis

In general, the origin of the extensor group can be found on or near which bony landmark?

lateral epicondyle

The common flexor tendon attaches to which bony landmark?

medial epicondyle of the humerus

Which is the insertion of the flexor carpi ulnaris?

pisiform, hook of the hamate and base of fifth metacarpal

The extensor digitorum creates movement at which fingers?

second through fifth

Which is the insertion of the flexor digitorum superficialis?

sides of middle phalanges of 2nd -5th fingers