Interplay between EnergySystems• All the three energy systems are available andactive at the beginning of any activity• Depending on the exercise’s intensity and duration• One particular energy system may contribute more• The higher the intensity of the exercise• The quicker the anaerobic systems will be depletedHigher intensity exerciseover a short time periodLower intensity exerciseover a longer timeAnaerobic energy systems(ATP-CP + Glycolysis) Aerobic energy system19