The first test: patient’s hand and especially thumb must be completely relaxed. The examiner applies ... read more ↘ resistance to the radial surface of the proximal interphalangeal joint of the extended index finger, and the patient actively abducts this finger. The examiner can palpate or even see the strained extensor pollicis brevis tendon. The second test: patient’s hand and especially thumb must be completely relaxed. The examiner asks the patient to actively extend the small finger. The examiner can palpate or even see the strained extensor pollicis brevis tendon. ↖ read less
