剪力型损伤可累及肱骨小头，滑车或二者均有损伤。
肱骨滑车闭合性骨折
1·Conclusion Even the relationship between patella and femoral trochlea remains normal, the mode and magnitude of patellar tilting changes significantly after TKA.
结论TKA术后虽然髌骨与股骨滑车的对合关系保持正常，但在三维立体空间内髌骨的内外倾模式与幅度较未置换前发生了变化。