Feet can be off the ground or lightly touching the ground.
punch the floor twisting side to side for 1 min
Pulse Thru Crunches
Chin away from the chest and pulse
through with your hands between
your knees. Short fast bursts
Just as the name says. Lunge back as if
you're bowling. When it comes to the
pulses, keep the legs back and
pulse down to the ground. Shift all
your upper body weight onto the leg you're
working, but make sure the knee stays
behind the toe!