Instructions:
- 1Stand up straight with your feet shoulder-width apart
- 2Raise your right knee up towards your chest as you extend your left arm forward
- 3Lower your right knee and return to starting position
- 4Repeat the movement with your left knee and right arm
- 5Continue alternating for the duration of the exercise
Tips:
- Keep your core engaged throughout the exercise
- Drive your knee up until it's at hip height
- Do not lean back while lifting your knee
- Maintain a brisk pace to keep your heart rate raised