The quad isolation machine. These swaps keep the tension on the front of your thighs.
Loop a heavy band behind your knees and around a sturdy post, sit back into a squat, and keep your shins vertical.
Put your heels on a small plate or wedge and squat with a weight at your chest to shift work to the quads.
Slide down a wall until your thighs are near parallel and hold. Add time before you add weight.
Choose another option above to see more swaps.
General fitness information, not medical advice. If you're new to an exercise or have an injury, check your form with a qualified trainer.