CrossFlowX™: PMS-Be-Gone Cardio Flow. 28 minutes. Yoga has a natural remedy for just about everything, and PMS (and the cramps that come with it!) are no exception. Whenever you start to feel bloated, blue, achy, or crampy - and you know your cycle is on its way - try this cardio flow! It's a *touch* toned down, as appropriate, to nurture your body and get you back to feeling great. Yoga blocks recommended.