HOW TO DO THIS WORKOUT

‘The number of sets and reps is given as a range, and you should use the upper or lower ends of the range depending on your level of fitness,’ says Jamieson. ‘If you can’t manage the higher levels, first reduce the number of sets and then the number of reps.’ The workouts should be performed for four to six weeks. ‘When combined with a high-quality nutrition programme, the result will be an increase in overall strength, power, muscle mass and general fitness,’ says Jamieson. Use a weight that is challenging but allows you to complete each set.