Epitact QUERV ACTIV Flexible Wrist and Thumb Brace

De Quervain’s tenosynovitis

What is it?

Inflammation of the sheath surrounding the tendons of the abductor longus and extensor pollicis brevis of the thumb (tenosynovitis), which both run in the same « fibrous tunnel »

at the outer edge of the wrist, in contact with the radius.

A mechanical pain (during movement) and/or swelling on the inner edge of the wrist at the base of the thumb and not far from the styloid of the wrist

It is essentially a professional disease which concerns all activities requiring the use of the thumb in a precise and/or energetic way.  There is a strong influence of gender (often 3 women for 1 man), age (>40 years), and work position.