KNEELING BANDED SISSIES The sissy squat is one of the only bodyweight quad exercises that has you bend and straighten your knees without your hips being involved at all; with the traditional squat, the hip and knee flex equally, but not so here. The hips are in extension as you squat down and drive your knees over your toes, providing a muscle-building stretch for the rectus femoris, aka the quads. The primary muscles worked by the sissy squat: Glutes: Although the sissy squat doesn’t directly t