Features

Perform two circuits of exercises, each one for 40 seconds, with 20 seconds rest in between. Complete as many repetitions as possible in the time.

5. Single-legged jump and balance. Jump out in front about one metre (three feet), landing on one leg. Hold your balance for two seconds. For a third, strength-building circuit, try the exercise with weights - 1-3kg for women, 3-5kg for men.