Get your heart rate up in this short, fun and low-impact cardio workout. Using a light pair of dumbbells, you'll feel the burn without any jumping.

Beginners, you might want to try this first with no dumbbells and then add as you get fitter.

Day 21 of the Unstoppable Challenge.

Tools: light dumbbells (optional)

3 x 30sec
Repeater knee
Dumbbell catches

3 x 30sec
Repeater knee
Dumbbell lunge passes

3 x 30sec
Press & tap
Skiers

3 x 30sec
Russian twists
Weighted toe touches (alt: weighted bridges)