Olympic gymnast McKayla Maroney is prancing around in her Alo Yoga pants, but not without a strict warning. The 25-year-old vault queen, fresh from E.R. headlines in February as she was hospitalized for kidney stones, is now back to her fighting fit self, with Thursday bringing the London 2012 Olympics face in power yoga pants mode. Posting ahead of an errands run and for her 1.3 million Instagram followers, McKayla threw ou the body and a touch of advice. Check it out below.