"I truly just kind of train for the sake of training. It's why I'm a trainer," she says. "There's days I've woken up after really hard ab exercises, and then like, I hope nothing fun happens today because every time I laugh, it fucking hurt" Stretching doesn't help; aggressive stretching makes it worse, but some massage type things can helpSome people do what they call 'active recovery,' which is jogging or riding a light bike to get rid of soreness.