Incorporate high intensity interval training into your workouts to increase fat loss and maximise your results. Exercise scientist Johann Ruys shares his favourite HIIT workout.

3 x 1km runs with 2-minute rest in between each (work-to-rest ratio = 2:1)

2-minute rest

4 x 500m runs with 2-minute rest between each (work-to-rest ratio = 1:1)

2-minute rest

4 x 150m runs with 1-minute rest in between each (work-to-rest ratio = 1:2)

6 x 30m sprints with 10-second rest between each (finisher)

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