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可在安卓獲取PC Muscle Exercises的歷史版本
如何做PC肌肉練習（陰莖）
Strengthening the pubococcygeus (PC) muscle can help both sexes treat urinary and fecal incontinence, as well as helping men avoid erectile dysfunction and premature ejaculation. Learn a set of simple exercises that form the basis of a PC muscle workout regimen.