Sitting Pretty is a squat hold workout, which means the hard part is not moving - it is staying. The entire session takes place in a wide sumo squat: three 10-count holds alternating with calf raises and punches performed without ever standing up. Your legs do not get a break. That is the design, not an oversight.

The alternating structure targets two different types of muscular work. The static holds train isometric endurance - the quads and glutes contracting continuously against gravity without shortening or lengthening. The calf raises and punches then add movement on top of that contraction, forcing your legs to stabilize a shifting load while already fatigued. By the third hold, muscles that felt fine at the start are trembling, and that trembling is the point: it is your nervous system recruiting fibers it normally keeps in reserve.

Set your stance wide with toes turned out, and sink until your thighs approach parallel - then stay there. Keep your chest tall and your weight in your heels; leaning forward shifts the work away from your glutes. During the calf raises, rise and lower with control without letting your hips creep upward. During the punches, extend fully and rotate through your shoulders while your lower half stays frozen in place.

It is called Sitting Pretty. Nobody said anything about sitting comfortably.

Make it Harder: Sink two inches deeper and hold every 10-count for 15.

Make it Easier: Rise briefly between exercises to shake out your legs before the next hold.