Quiz

Question 0

Place your forearm in anatomical position. Which is the most lateral wrist extensor

Answer 0

Extensor Carpi Radialis Longus

Question 1

Place your forearm in anatomical position. Which is the most medial wrist flexor (closest to your body)

Answer 1

Flexor Carpi Ulnaris

Question 2

Which of the following muscles is located the deepest in the anterior surface of the forearm:

Answer 2

Flexor Digitorum Profundus

Question 3

The muscle that some people are born without is

Answer 3

Palmaris Longus

Question 4

This muscle has no back up muscle that functions to do the same action as its prime action. In other words if this muscle was lost due to a neurological injury it would no longer contract and its muscle grade would be zero (0) as there is no other backup muscle that does this action. This muscle is

Answer 4

Flexor Digitorum Profundus

Question 5

Resistance is applied on the distal end of the bone upon which the muscle inserts. This is true for all of the muscles in this unit except for:

Answer 5

Extensor Digitorum, Extensor Indicus, Extensor Digiti Minimi

Question 6

Medial epicondylitis is caused by repetitive motions of:

Answer 6

wrist flexion and finger flexion

Question 7

The wrist and finger flexors all have the same origin of the ____________ except for___________________.

Answer 7

medial epicondyle; flexor digitorum profundus

Question 8

The wrist and finger extensors all have the same origin of the ____________ except for___________________.

Answer 8

lateral epicondyle; extensor indicis

Question 9

The patient is asked to flex the elbow which is the muscle testing position for the 3 elbow flexor muscles. When the forearm is in supination biomechanically the _______ is most active whereas when the forearm is in pronation the _______ is most active versus when the forearm is in midposition the ______ is most active.

Answer 9

Biceps Brachii, Brachialis, Brachioradialis