ABC News – Tegan Taylor
Ever wondered why kids can run around all day and never seem to get tired? A new study suggests it’s because their muscles resist fatigue in a similar way to those of elite endurance athletes. The study, published yesterday in Frontiers in Physiology, asked young boys, untrained men and endurance athletes to do high intensity exercise, then looked at how quickly their muscles fatigued and recovered. The researchers quite literally put the participants through their paces, having them perform strenuous activity on a stationary bike. (more)