- Sit on the floor with your knees bent. Pull your abs to your spine and lean back a few inches while lifting your feet off the floor. Be sure to keep your back straight.
- Reach your arms out in front of you and twist your torso to the right, then to the left, to complete one rep/rotation.
- Repeat for 40 seconds followed by 20 seconds of rest.
Image Source: POPSUGAR Photography