Now assess range of motion for the wrists, fingers, and thumbs. At the wrist, test flexion, extension, and ulnar and radial deviation.
■ Flexion. With the patient's forearm stabilized, place the wrist in extension and place your fingertips in the patient's palm. Ask the patient to flex the wrist against gravity, then against graded resistance.
Conditions that impair range of motion include arthritis, tenosynovitis, Dupuytren's contracture. See Table 15-6, Swelling and Deformities of the Hands (pp. 529-531).
■ Extension. With the patient's forearm stabilized, place the wrist in flexion and put your hand on the patient's dorsal metacarpals. Ask the patient to extend the wrist against gravity, then against graded resistance.
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