Why I do it: Just as physically and mentally challenging as regular plank is, so is side plank. I can feel my arms shaking and my obliques working.
- Balance on your right hand and the outside edge of your right foot, with your body in one straight line. To modify, stagger your feet and bring your top leg forward.
- Hold for 30 seconds on each side to complete one rep.
Image Source: POPSUGAR Photography