With control, this dynamic exercise will strengthen your low abs in no time. Make sure to keep your core engaged throughout the entire move!
- Start lying on your back with your hands by your sides.
- With your core engaged, lift your feet off the ground, and cross your ankles.
- Lift your lower back off the mat, and rock up toward the ceiling.
- With control, lower your back (not your legs) to the mat.
- Repeat this motion for 20 reps.