Lacerations of the membranous portion of the digital sheath and of noncritical annular pulleys usually do not require operative repair.

Recent studies have explored the use of ultrasound as a diagnostic tool for flexor tendon pulley injuries. One study validated the ability of ultrasound to visualize the thumb's annular pulleys ...

Tensioning of the graft has been evaluated in conjunction with the effect of the graft source for pulley reconstruction. [24] It was determined that in the range of 0.49 to 1.96 Newtons ...