The Wrist and Hand

Which of the following muscles flexes the distal interphalangeal joints of the fingers?

. Flexor digitorum profundus

Which of the following statements is not true regarding the wrist and hand joints?

forms 16 phalanges

The wrist joint moves through the _____ plane about the _____ axis with ulnar and deviation.

frontal; saggital

In order to obtain the greatest amount of active wrist extension you should place the fingers in _____.

relaxed flexion

Which of the following muscles does not perform wrist extension?

Abductor pollicis longus

Which of the following muscles performs abduction of the thumb?

Abductor pollicis longus

Which of the following muscles performs an action in the frontal plane?

Abductor pollicis longus

The 3rd metacarpophalangeal joint moves in which of the following planes?

Frontal, sagittal

Which of the following muscles performs extension of the index finger?

Extensor indicis

Proximal interphalangeal joint motion occurs about the _____ axis.

frontal