Dear Doctors: I’m having radial nerve problems whenever I use my triceps, like pushing the lawn mower, opening doors or pushing up from the recliner. It’s making my thumb and pointer finger very weak.

The Finkelstein test, also called the Finkelstein sign or maneuver, is used to diagnose de Quervain’s tenosynovitis. This is a common condition characterized by swelling and pain in two of the tendons ...