Start standing. Drop into a deep squat with elbows inside knees. Walk hands forward to a solid plank position; step R foot outside R hand and rotate R hand toward the ceiling (pull shoulder back as you do this). Return R hand to floor and R foot back to plank. Repeat motion on L side, then return to deep squat (this = 1 rep). Do not return to standing until all reps are complete. NOTE: keep hips steady on the walkout.