11. Interval Training for Better Sex Okay, so this isn’t a specific workout (yet!) but we had to put it in here because any type of interval training uses the glycolysis system. Hear us out, it’s relevant. Glycolysis is the breakdown of either glycogen stored in the muscle or glucose in the blood. When you increase this capacity, you increase your staying power in the bedroom. No other form of exercise conditions this energy system as well as interval training.