滑车关节，位于手指，沿冠状轴做屈、伸运动。
目的：探讨距骨滑车关节面的形态对踝关节稳定性的影响。
Objective: To study the morphology of trochlear surface of talus and its effect on the stability of ankle joint.
在正常的髌股关节中，髌骨的活动轨迹应处于滑车沟的中心。
For a congruent patellofemoral articulation, the patella must track centrally in the trochlear groove.
有时在滑车回关节窝时能听到清脆的弹响声。
Sometimes can hear clear and crisply play sound when the pulley returns to joint nest.
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