Core: Creepy Crawly Plank
- Start in plank position. As you bend your elbows out to the sides and lower your torso toward the floor, bend your left knee and touch it to your left elbow.
- As you straighten your arms, come back to plank position with your left foot next to your right. Lower your torso and touch your right knee to your right elbow. Then return back to plank position. This counts as one rep.