Elbow to Knee Plank
Want to challenge your abs? Add this exercise into your workout! Begin in a plank on your hands and toes. Lift your right foot up off the floor, next bend your right knee and bring it toward your right elbow. Extend your right knee to and return your foot to the floor to complete one rep. Next lift your left foot up off the floor, bend your left knee and bring it toward your left elbow to complete two reps. Repeat until 10 reps are performed.
*Consult your physician before performing exercise.