Diagonal Knee Pull
Stand with feet hip-width apart and hold a weight in each hand with arms by sides. Extend arms overhead with palms facing each other, then lean torso toward right, bending right knee (hips and right toes turn slightly toward right) and extending left leg out to side, rising onto left tiptoes to start.
Quickly pull bent arms down and bent left leg up between elbows at waist height. Return to start. Do 32 fast reps. Switch sides; repeat.