How to do it
Stay on the ball of your standing foot throughout each knee drive.
- 1
Stand with feet hip-width apart and arms by your sides.
- 2
Swing one arm forward and the opposite leg back, keeping the knee bent.
- 3
Quickly drive the swung back knee forward while swinging the opposite arm back.
- 4
Return to the starting position and repeat on the other side.
- 5
Continue alternating sides for the desired number of repetitions.
Expert tip
Keep your movements fluid and rhythmic, and focus on engaging your core to help with balance and power.
Common mistakes
- ✕Driving the knee forward with a straight leg
- ✕Swinging the same-side arm and leg together
- ✕Hinging forward at the hips during the drive