There are several metabolic pathways which include, ATP-PC storage, anaerobic, and glycolytic pathways.
ATP is the currency of energy exchange in the body. Every metabolic pathway must find a way to regenerate and use more ATP in order to continue exercise. ATP stores in the body last only a few seconds. From there it is regenerated by ATP-PC system till phospocreatine reserves run out. This ATP-PC system lasts about 8-10 seconds.
Movements involving ATP storage include quick, power or strength movements, such as swinging a golf club, baseball bat, or power lift. To improve this system, the body must stress this system in the same way that it will respond during performance times. This means that a power lifter should work on power lifts similar to those movements done in competition.
ATP-PC system involves sustained power movements for duration usually less than 10 seconds.
This includes most football plays, 100m sprinting, and long jumping. Clinicians should train individuals in similar ATP-PC stressful situations in order to elicit gains on this biochemical pathway. Speed drills and plyometrics are good for increasing spring times, jump height, jump distance, balance, and agility.
Lactic cycle is a means of anaerobic or glycolyitic function. It is primarily involved in anaerobic power and endurance such as the 400m sprint, swim sprints from 30-90seconds.
Aerobic metabolism needs oxygen to regenerate ATP. This pathway allows for the longest duration of exercise, usually from 1-5minutes up past 90 minutes. Exercise Intensity is inversely proportional to exercise length. As intensity increases, length of exercise must decrease.
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