In combination, the anatomy creates a natural groove known ... of the median nerve and nine tendons (the tendon of the flexor pollicis longus, the four tendons of the flexor digitorum profundus ...
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 ...