KNEELING LUNGE Kneeling, step left foot forward. Press hips forward, keeping left knee over left ankle. Hold for 30 seconds. Switch legs and repeat. Get long and lean with sexy Flat Belly Yoga! HIP STRETCH Lie on back with knees bent, right leg crossed over left thigh. Pull knees into chest as shown. Hold for 30 seconds. Switch legs and repeat. MORE: The 5-Second Test To See If You Have Tight Hips