Recommendations: 1-3 Sets, 15-25 Reps
Lie face up on a supine (flat) bench with your legs extending beyond the end of the bench. Your toes should be pointed. Hold onto the sides of the bench for support. This is the starting position. Slowly pull your knees straight in towards your chest, keeping your toes pointed. Breathe normally. Slowly extend your leg to the starting position. Breathe normally. Repeat the movement for the required number of repetitions.