AT CH.23

The distal end of the humerus forms two condyles: the lateral condyle is called the capitulum, and the medial condyle is called the trochlea.

True

Which nerve can become irritated secondary to cubitus valgus present at the elbow?

Ulnar

Which side of the arm receives the most frequent impact and therefore is where the majority of bruising occurs?

Ulnar

If an athlete complains of burning and tingling or paresthesia to the fourth and fifth fingers, what structure may be damaged?

Ulnar nerve

The ligament that stabilizes and encircles the head of the radius is the:

Annular ligament

The motions of the elbow joint are:

Flexion and extension

Which of the following is NOT an elbow flexor?

Flexor carpi ulnaris

Most elbow dislocations result from falling on an outstretched hand and result in the ulna and radius dislocating:

Posteriorly

The motion(s) that occur at the proximal radioulnar joint?

Pronation and supination

Lateral epicondylitis results from:

Repetitive extension of the wrist