Repeat measures design. The purpose of this study was firstly, to describe a simple clinical tool that can be used to measure the extensibility of the flexor pollicis longus (FPL) muscle; secondly ...

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 ...

The median change from baseline to week 6 in thumb flexor tone was measured. Results showed that Botox neurotoxin produced a clinically and statistically significant reduction of 1.0 Botox vs. 0.0 ...

Flexor pollicis longus allows you to flex your thumb. Other muscles in your forearm that allow you to flex your fingers and wrist may also be involved.