HOW: Grab onto a long towel with both hands. In a standing position, fully extend your arms overhead with the towel behind you, raise your heels off of the ground, and then whip the towel towel straight down in front of you. Repeat this for the prescribed amount of steps
FEEL: You should feel your core and arm muscles working as you slam the towel to each side. You should also feel your glutes, quadriceps, and hamstrings as they work going up and down in the squat position.
COMPENSATION: Whip the towel all in one motion, don’t pause.