Instructions:
- 1Start in a forward plank position, with your feet hip-width apart
- 2Jump your feet out to the sides as if you were doing a horizontal jumping jack
- 3Quickly hop your feet back together, and then perform four mountain climbers by bringing each knee forward to your elbow in turn
- 4Repeat this combination of moves for a set number of reps or time period
Tips:
- Keep your core engaged and your back flat throughout the exercise
- Breathe constantly during the exercise to keep the muscles oxygenated
- Try to perform the movements as quickly as possible for maximum cardio benefit
- Don't forget to warm-up before and stretch after the workout