Develop strength . speed . and leanness with the Sunny Health & Fitness NO. 077G Home Squat Machine. Strengthen not only your lower body but your shoulders . arms . and back. This exerciser promotes compound movement (two or more muscle groups working cohesively). Activating groups of muscles together requires more strength . so you’ll burn more calories. Compound exercises bring compounded results! With 3 adjustable resistance bands . intensify your workout by adding or subtracting bands . each band adds approximately 22 pounds of resistance!