Flexor Carpi Ulnaris: Ulnar Nerve, C8; Flexor Carpi Radialis: Median Nerve, C8
Ask the patient to put the dorsum of his hand and forearm on a flat surface and flex his wrist against resistance as shown in Figure 10-9.
With wrist flexion plus a little abduction the tendon of the flexor carpi radialis in the midline of the wrist is seen (arrow in Figure 10-9A), while with flexion plus a little adduction the flexor carpi ulnaris becomes palpable on the most medial aspect of the wrist (Figure 10-9B).
The tendon of the flexor carpi ulnaris can also be seen and felt on the medial wrist by abducting the little finger.
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