Sliding Leg Curl on Floor with Towel

Instructions

1. Lie face up on a smooth floor with heels on a folded towel, knees straight, arms at sides.
2. Brace your core and lift your hips slightly off the floor.
3. Dig heels into the towel and curl them toward your glutes, keeping hips elevated.
4. Slowly slide feet back to the start under control.
5. Repeat for the desired reps.