Background: Dislocation or subluxation of the peroneal tendons out of the peroneal groove under a torn or avulsed superior peroneal retinaculum has been well described.

• 背景：当腓骨肌上支持带撕裂或撕脱后，腓骨肌腱可以从位于其下方的腓骨沟内脱位或半脱位，这个机制目前非常清楚。