From this position, brace your core and press both arms straight up above your head, so your biceps are in line with your ears. Lower back down to the starting position and repeat. The Arnold ...

Stand tall with your feet hips-width apart. Extend your arms straight up above your head. Clasping your hands together, slowly lean to one side until you feel a pull in the opposite side of your body.

But the original footage shows Walz raising his left hand straight above his head to wave at the audience, not sticking his arm out like in the Facebook image. Though he and Harris proceeded to ...