Home > Sex > Safe Sex > Glossary 10 February 2004 Pubococcygeus (PC muscle) The muscle that encircles the vagina/base of the penis and the anus. This muscle can be strengthened with Kegel exercises to aid in childbirth and bladder control and to increase orgasmic intensity. 0 Check Are you a sex addict? » Ask Sexologist » Join Health24 on Facebook » Quiz Are you ready for sex? » The muscle that encircles the vagina/base of the penis and the anus. This muscle can be strengthened with Kegel exercises to aid in childbirth and bladder control and to increase orgasmic intensity. More in Sex Cystitis More: Safe SexGlossary advertisement Read Health24’s Comments Policy Comment on this story 0 comments Comments have been closed for this article. Logout Comment 0 characters remaining Share on Facebook Loading comments... From our sponsors Keep an eye on your vision Which skin products are better, ‘medical grade’ or ‘over-the-counter’? Win 1 of 6 R5000 cash prizes Win a R2 000 Skin Renewal voucher Live healthier Exercise benefits for seniors » Working out in the concrete jungle Even a little exercise may help prevent dementia Here’s an unexpected way to boost your memory: running Seniors who exercise recover more quickly from injury or illness When sedentary older adults got into an exercise routine, it curbed their risk of suffering a disabling injury or illness and helped them recover if anything did happen to them. No relief for MS » Drug shows promise against MS in mouse study Vitamin D may slow multiple sclerosis Obesity in girls tied to higher MS risk Exercise may not lower women's risk of MS A Harvard study showed no evidence to support the idea that exercise lowers the risk of multiple sclerosis.