the distal 1 cm of the extensor retinaculum is incised over the third dorsal compartment to improve exposure, the extensor pollicis longus and extensor carpi radialis brevis tendons are retracted ...

“We wanted to look specifically at the [extensor pollicis longus] tendon ... Pressure measurements were taken from the third dorsal compartment before and after injection, and aspiration ...

The ECU tendon passes through a fibro-osseous tunnel (the sixth extensor compartment) as it leaves the forearm, lying within a bony groove on the dorsal surface of the ulna. It is maintained within ...