Annular Pulleys Hold flexor tendons relatively close to joint (functional insertions)
{"Image DocumentName": "Annular PulleysHold flexor tendons relatively close to joint (functional insertions)", "Image ImageDescription": "Rupture results in bowstringing with less ROM and strength. Trigger finger. Have 5 Annular Pulleys. A2 (on Proximal phalanx) and A4 (on middle phalanx) are major pulleys (attach to shafts of phalanges) A1, A3, A5 attach to palmar/volar plates of respective joints. Also have 3 Cruciate pulleys (between A2 and A3; A3 and A4; A4 and A5) thinner fibers.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}