This results in uneven distribution of stress transmission to deeper layers of cartilage and to the underlying subchondral bone. 這導致應力分佈不均勻地傳導至深層軟骨及其下面的軟骨下骨。
Multiple subchondral perforation is relatively a simple and effective method in enhancing the recovery of articular cartilage regarding its poor ability in self-repairing. 關節軟骨自身修復能力很差，軟骨下骨鑽孔術是比較簡單有效的方法，可促進軟骨的修復。
