It helps flex the anus, and (in males) stabilize the erect penis or (in females) tense the vagina. Kegel exercises (also known as pelvic floor exercises) can help tone the ischiocavernosus muscle.

Ischiocavernosus compresses the crus penis, and retards the return of the blood through the veins, and thus serves to maintain the organ erect.

 維持陰莖勃起的硬度要靠坐骨海綿體肌的收縮這已是全世界醫學界的共識,很多醫學期刊,實驗,雜誌,已證明並已定義坐骨海綿體肌為勃起肌肉.陰莖要勃起有足夠的硬度靠海綿體肌的訓練.你還停留吃藥錯誤迷思顯然需要觀念的改正.