Facts&articlesbyadityaraj is back! We all know that we get muscle cramps due to the building up of lactic acid in our muscles. But, why does lactic acid build up in our muscles? During aerobic exercise our muscles burn glucose with oxygen to produce carbon dioxide, water and energy. But when we are exercising hard, the lungs cant keep up with the muscles demand for oxygen. Rather than just giving up, our muscles switch to anaerobic chemical reaction that doesnt need oxygen. This is left efficient because it doesnt produce as much energy per molecule of glucose burned, but its better than just giving up. Unfortunately, instead of water and carbon dioxide, anaerobic respiration produces lactic acid as one of its waste products. If you exercise hard, this will be produced faster than your bloodstream can transport it away to your liver where it is processed and broken down. As the level of acid builds up in your muscles, you feel a burning sensation that acts as a warning that your muscles are almost out of energy. Like other sorts of pain, the purpose is to signal that your body needs to rest. So, next time you go for a run bear your overworked body a thought and maybe catch your breath :P Remember to share!
Posted on: Thu, 13 Mar 2014 10:44:39 +0000
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