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The Wrist
(CN) The Wrist
| Front | Back |
|---|---|
| What are the wrist flexors? (3) | FCR, FCU, Palmaris Longus |
| What are the wrist extensors? (3) | ECRL, ECRB, ECU |
| What are the radial deviators? (4) | ECR, FCR, EPL&B |
| What are the wrist ulnar deviators? (2) | ECU, FCU |
| What is gamekeeper's thumb? How would you test for this? | A tear of the ulnar collateral ligament. Hold the pt's thumb in extension, and apply a valgus force (move thumb toward index finger). Positive test: Excessive valgus movement. (compare to contralateral side) |
| What is the Allen test (at the wrist) used for? Describe it. | Tests for vascular insufficiency. Pt opens and closes hand several times in succession, then makes a fist and holds it. PT compresses radial and ulnar arteries and pt relaxes hand. PT releases pressure on one artery. Positive test: Delayed color return. |
| Describe the capillary refill test. | Therapist compresses pt's nailbed, and after releasing the pressure, notes how long it takes for color to return to the nail. Positive test: Delayed response of greater than 2 seconds. |