- Lie on your back, and place your hands on the floor for stability as you bend one leg and lift the other leg toward the ceiling.
- Pressing your heel into the floor, lift your pelvis up, keeping your body in a stiff bridge position.
- Slowly lower your body to the floor to complete the rep.
- Keep going for 45 seconds, switching sides halfway through (at 22 seconds). Rest for 15 seconds.
Image Source: POPSUGAR Photography