Muscle Groups Worked in This Exercise: Glutes and Quadriceps
Preparation: Stand with your hands on your hips or behind your head. Take a large step backward and drop your trailing knee toward the floor.
Breathing: Breath out on the contraction upward and breath back in on the way back down to the start position.
Execution: Take a large step backward and drop your trailing knee toward the floor. Push back up to the starting position and repeat for the other leg.