459.In the upper extremity, each major nerve passes between two heads
of a muscle. The median nerve passes between which of the following?
a. Long and medial heads of the triceps brachii muscle
b. Medial and posterior division of the coracobrachialis muscle
c. Ulnar and humeral heads of the flexor carpi ulnaris muscle
d. Ulnar and humeral heads of the pronator teres muscle
460.A spiral fracture of the humerus in the region marked Z on the
accompanying radiograph had severely injured a major nerve that passes
on the dorsal aspect of the bone. Which of the following is most likely to
occur as a result of this injury?
Extremities and Spine 563a. Wrist-drop palsy
b. Total clawing of the hand
c. Waiter’s tip palsy
d. Clawing of digits 4 and 5
e. Dupuytren’s contracture
(Image 6101, used with permission from the Radiological Anatomy web site, University of
Kansas, School of Medicine, http://classes.kumc.edu/som/radanatomy/.))