One type of butt clenching is "the true clench," she says. According to Heather Jeffcoat, DPT, a Los Angeles-based pelvic-floor therapist who specializes in incontinence and dyspareunia ...

Sam covers politics, with the occasional foray into entertainment news. He previously worked in the Canberra press gallery and as news.com.au’s US correspondent. Sam led our coverage of the 2016 ...