This results in uneven distribution of stress transmission to deeper layers of cartilage and to the underlying subchondral bone. 这导致应力分布不均匀地传导至深层软骨及其下面的软骨下骨。
Multiple subchondral perforation is relatively a simple and effective method in enhancing the recovery of articular cartilage regarding its poor ability in self-repairing. 关节软骨自身修复能力很差，软骨下骨钻孔术是比较简单有效的方法，可促进软骨的修复。
