They represent shear-type injuries involving the capitellum, trochlea, or both.
剪力型损伤可累及肱骨小头，滑车或二者均有损伤。
Damage to the trochlea could occur, as the periosteum is elevated from bone or during healing.
当骨膜抬高或愈合过程中，滑车可能受到损伤。
Cadaveric dissection reveals that the trochlea is more than a simple pulley; it is a complex structure in close proximity to the orbital rim.
尸头解剖结果显示滑车不只是简单的滑车，而是与眶缘极为靠近的复杂结构。
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。
Such soft tissue balancing, albeit minor in most cases, does seem important particularly in the early phases of flexion in terms of allowing the patella to engage well upon the prosthetic trochlea.
这样的软组织平衡，即使在许多病例中仅需非常小的平衡，在早期屈膝尤其重要，这样可以使髌骨能够更好的进入假体滑车沟。
Such soft tissue balancing, albeit minor in most cases, does seem important particularly in the early phases of flexion in terms of allowing the patella to engage well upon the prosthetic trochlea.
这样的软组织平衡，即使在许多病例中仅需非常小的平衡，在早期屈膝尤其重要，这样可以使髌骨能够更好的进入假体滑车沟。
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