first of all bulbospongiosus and pubococcygeus are the different part of pelvic floor muscles and kegel exercise works on all these muscles to strengthen them. there are no separate exercises for individual muscle. it is important to know for what reason you want to do this exercise. is there any urinary problem or sexual problem or any other? so that if your problem is not getting cured with this exercise then further treatment can be offered. to get best result of this exercise you should perform it at least three times a day with at least 20-30 repetitions. for further information consult an obstetrician and gynaecologist online --> <link>
is there any exercise to tighten the bulbospongiosus muscle?