The pelvic floor muscles wrap around the underneath of the bladder and rectum. They support the bladder and bowel, and affect sexual function. Doing appropriate exercises strengthens them just like any other weakened muscle, and can also address common issues that arise as men age, as this group of muscles weaken as men get older.
This is a companion discussion topic for the original article at https://patient.info/news-and-features/do-men-need-to-do-kegel-exercises