Eating fewer calories isn't the only way to lose weight. Bodyweight exercises like squats, push-ups, and lunges can be a great addition to ignite fat loss.

Dr. Brooke Bussard shares 4 bodyweight moves that sculpt your body better than machines by working more muscles at once.

These 5 bodyweight exercises build lean muscle, improve balance, and help you stay strong after 50—no gym needed.