Boost your heart rate and metabolism while toning your core with this dynamic exercise. It primarily works the abs, which stabilize your shifting position. The faster you move, the more calories you will burn.
Equipment
None
Primary muscle group
Abdominals
Secondary muscle groups
Shoulders, arms, legs, hips
1 Begin in a high plank position with your shoulders above your hands and your toes hip-width apart. Distribute your weight evenly between your toes and hands.
2 Quickly pull your right knee towards your chest while keeping your upper body stable and your shoulders above your wrists.
3 Quickly switch your legs, pulling your left knee to your chest and returning your right foot to the floor. Alternate raising each leg, maintaining a rapid pace for the time given in your workout.