These changes in anatomical position explain the onset of traumatic injury to the ECU retinaculum occurring during modern tennis play, whereby the angle of the wrist constantly changes (fig 3). In ...

The ECU tendon disease includes tenosynovitis of the tendon sheath, tendinopathy, tendon disruption and tendon instability. These conditions can occur in isolation or synchronously. Rupture of a ...

even up to 3 months after injury. The thumb has no lumbricales, its flexor sheath has only three pulleys, and there is only one flexor tendon within the sheath rather than two. If tendon ...

He tried treating it with rehab and occasional rest, but it reached a point this year when the extensor carpi ulnaris tendon, or ECU, would pop out of the sheath ... some of the pain he was ...