The A1 Pulley as a Fulcrum for Flexor Tendon Excursion: a Histopathological Study

SUMMARY Purpose. Stenosing tenosynovitis of the flexor tendons which readily causes the alleged “trigger finger” is a common and yet not completely understood phenomenon. The A1 Pulley is the pivot point at which the force protracted by the flexors of the digits acts upon the fulcrum at the leading edge of the pulley. We performed a histopathological study aimed … Continued