The phosphagen system provides an instant source of energy for up ?

Muscle movement's quickest and most potent generator of energy. Anaerobic metabolism is exemplified by the phosphagen system. It generates ATP from creatine phosphate (adenosine triphosphate, the chemical which provides energy for all body processes).

By placing 2 fingers at the sternum (the spot where the lower ribs meet) the put the heel of your other hand next to your fingers. hope this