Windmills are a safe upper-body warm-up exercise that involves rotation through multiple planes of motion, connecting the hand to the opposite foot.

“now we're going to go to windmills all right super easy exercise straight up in the air we're just going to rotate boom lots of move planes patterns I'm still locked in and Safe 10 lb yeah I'm not super loaded I'm very safe here okay love it have you done these ones before no oh great okay so look at that connection you're my head should I go look down or up no no you so vestibular is the beauty of it do whatever oh I see move it right but this is what we want you see that line perfect connection here to here yeah how many times have you spent with your right hand to your left hand yeah nothing no nothing right so now we're going God look at that string of strength right there in a really awkward open position great”