Develop strength, speed and lean muscle tone with the Sunny Health and Fitness No. 077-s Home Squat Machine. This machine promotes compound movement (two or more muscle groups working cohesively) to strengthen not only your lower body but also your shoulder, arms and back. Activating multiple groups of muscles requires more energy, so you'll burn more calories throughout your workout. Compound exercises product consistent results. With 3 adjustable resistance bands, intensify your workout by simply adding or subtracting bands, each bands adds approx. 22 Lb of resistance.