The flexor pollicis brevis is also located above the opponens pollicis but is located on the inside of the thumb. It’s responsible for bending the thumb toward the pinky finger. This movement ...

Late direct repair of a lacerated flexor tendon is a tendon repair performed 3 weeks after injury. When direct repair is performed late, contraction of the musculotendonous unit makes it difficult ...

and thumb muscles (flexor pollicis brevis and opponens pollicis). Dosing of Botox should be individualized based on the size, number and location of muscles involved, severity of spasticity ...