The cross-sectional area of the adductor magnus is three to four times larger than that of the adductor longus and brevis combined.It has a moment arm with the best mechanical advantage.

• 传统的经股截肢术中是将股骨屈肌缝合到伸肌上-即构建肌成形术-而忽略对有助于残存股骨稳定性的内收肌。