of 15 reps.PlanksThe twist: Add a leg swingHolding a plank position (resting your weight on your forearms and toes, with abs pulled in), lift your right toes off the ground and swing your right leg to the side. Return to the start and perform
instinctively steps in the direction of your movement with less strain on your muscles. The result is more forward momentum and less injury risk.Good form: Weight forward, ankles flexedLean in a straight line from your ankles to your head, without bending
