When looking at the calculations, on average 3,500 calories is about one pound. One needs to burn this many calories in order to shed one pound of fat. When participating in a rugby game, one loses roughly a little …show more content…
Although phosphagen, anaerobic and aerobic systems are working, the aerobic system is dominated during these types of physical activity. This system in known for producing ATP at very slow rates, due to this, these activities are generally performed at slower rates as compared to sports that rely on anaerobic systems. After spending time practicing and learning to better oneself this system can be improved upon and ATP will learn to be produced at a faster rate. This is known as aerobic power. The more one practices and the faster the ATP can be produced is shown through how fast the athlete can perform. When one has a high endurance level, this means they can perform high levels of activity for long periods of time without slowing down or growing