Works: Core
Lie faceup with legs extended over hips and arms at your sides, palms on ground. Bend right knee, crossing right foot over left thigh. Keeping left leg straight, use your abs to lift hips off the ground [A].
Lower hips, then take legs down to 45 degrees off ground [B]. Raise them to starting position and repeat entire move. Switch sides (crossing left leg over right) halfway through set.
