BOSTON — Aspiration — just ulnar to Lister’s tubercle — may help protect the extensor pollicis longus from rupturing after distal radius fracture, according to a study presented here.

Specifically, it affects the tendons of two muscles called abductor pollicis longus and extensor pollicis brevis. De Quervain tenosynovitis was named after Swiss surgeon Fritz de Quervain.

There was no pain upon palpation over the flexor sheath or the volar deep ... There was a 3 mm laceration in the extensor pollicis longus tendon overlying the interphalangeal joint, which communicated ...

A retrospective review was conducted of 16 patients treated in our center for thumb opposition loss due to low median nerve palsy by transferring the palmaris longus end-to-end to the extensor ...

Numerous tendons pass across the wrist to the thumb. Two of these tendons, the extensor pollicis brevis (EPB) and the abductor pollicis longus (APL), help spread and extend the thumb away from the ...