Sit with palms on ground, below shoulders. Squeezing butt and thighs.
Push up into a reverse plank (on either elbows or straight arms). Hold for 30 seconds and work up to 1-3 minutes.
Keep body in straight line- don't let hips raise or lower. Be sure not to hold breath.
Muscles Worked: Back, Triceps, Shoulders, Core, Quads