If tendon retraction is significant, one option is lengthening the flexor pollicis longus (FPL), performed at the musculotendonous junction so that the lengthening site is proximal to the carpal ...

This slip is then passed beneath (around) the flexor carpi radialis tendon in the depth of the resection area. The slip is then passed through the center of the harvested palmaris longus tendon ...

When covered with the flexor retinaculum ... Continue down until you can identify the palmaris longus tendon, which may be absent. 10 If this tendon is obscuring your surgical window, reflect ...