How to do it
Press firmly through your hands into the floor to stabilize.
- 1
Start in a plank position with your feet in the rings.
- 2
Keep your back flat and core engaged.
- 3
Alternate driving your knees towards your chest in a controlled manner.
- 4
Continue alternating legs for the desired number of repetitions or time.
Expert tip
Maintain a strong plank position throughout the exercise and focus on bringing your knees up as close to your chest as possible without losing form.
Common mistakes
- ✕Letting the hips sag toward the floor
- ✕Rushing the knee drives without control
- ✕Losing the plank by shifting weight backward