Nitro Strength Stand facing the stepper (or item that will successfully replace it). (b) Start running on him like a sprinter - work your arms hard and raise your knees high. Aim for 50 reps (25 per leg). If it's difficult to count in such conditions, just act for 30-45 seconds. (a) Stand straight, feet slightly wider than shoulders. Hands together or very close together, arms bent at the elbows. Go down to the squat until your…See More