Muscles, are you ready? Because this burn is about to get intense! Using your body as the machine, these 100 bodyweight exercises will build muscle in your arms, upper back, abs, legs, and glutes — we’ve got your entire body covered. Many of these bodyweight moves also get your heart rate up as they build muscle, so you get the benefits of both cardio and strength training at the same time. Mix and match these bodyweight moves to create your own circuit workout or HIIT routine, or add them to your workout plan as you please.