Jack Plank Exercise Fitness
MUSIC. Hi. We're gonna do jumping jack planks.Your hands are a little wider than shoulder width apart. Legs are nice and strong. You'reon the balls of your feet, jump out like this. Keep your **** nice and tight, your legs arestrong. Jump back in. Let's do 10 together. One, two, three, four, five, six, seven, eight,nine, ten. Good, notice that I didn't move my upper body back and forth. You keep itnice and still.