energy systems

This system is our primary source of ATP at rest and during longer duration physical activity. Understanding how to fuel it can help increase performance in endurance events.
If you participate in sports or gym activities that require high energy outputs for two to three minutes, you need to make sure you are ingesting plenty of carbohydrates.
Bioenergetics by definition means the flow of energy in a biological system. In the human body it refers primarily to the conversion of carbohydrates, proteins, and fats into usable energy.
You work as hard as you can, your muscles become acidic, and your effort deteriorates. Is lactic acid to blame? Here is an update on this belief and the new research that supports it.