MUSCLE HEAT::
Heat produced during muscular exercise is known as muscle heat it may be initial heat or delayed heat
Initial heat is the heat which is set free during contraction of the muscle and can occur in absence of oxygen thus it is associated with anaerobic biochemical changes which are the intermediate sources of energy for contraction these biochemical reactions are glycogenolysis and glycolysis in glycogenolysis the muscle glycogen is converted into glucose - l- phosphate and this is converted into lactic acid by the process of glycolysis
the heat evolved sometime after the cessation of the contration and relaxation is known as delayed heat this cannot be evolved if oxygen is not available hence it is associated with aerobic chemical changes these are the chemical reactions which occur during citric acid cycle or krebs cycle
physical training plays an important part in increasing the working capacity and brings about beneficial changes not only in the muscles but also in all other organs and systems of the body it is one of the standard methods used to improve a persons health
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