Program clearly demonstrates how ATP-PC, lactic and aerobic systems work together during physical activity. With the aid of clear, animated diagrams and comments from experts this video explains anaerobic and aerobic glycolysis, how myosin and actin use ATP to contract muscles, oxygen uptake and oxygen deficit, the interplay of the three energy systems, chronic and acute training effect, and much more. At last, students will easily be able to grasp this complex topic!