Sport Performance uring its time of need, the body’s response to maintain blood Oxygen levels is to breathe more heavily to increase Oxygen intake. When the body does not receive enough Oxygen from the outside, it starts to source it internally.
This is called Anaerobic Respiration. Muscle fatigue and cramping occur when glycogen in Oxygen-starved blood turns into lactic acid.
Adding Oxygen to the blood inhibits the production of lactic acid, and helps the body clear out any lactic acid that is already present.