The Relation Between Melatonin and Exercise  

作　　者：Oktay Kaya 

机构地区：[1]Kafkas University,Kars,Turkey

出　　处：《Sino-US English Teaching》2023年第5期199-202,共4页中美英语教学（英文版）

摘　　要：Melatonin is a hormone that regulates several physiological processes,including circadian rhythms,sleep,and immune function.Recent studies have suggested that melatonin may also play a role in exercise performance and recovery.Exercise-induced oxidative stress and inflammation can cause tissue damage and impair recovery.In addition to its intrinsic antioxidant properties,melatonin stimulates several antioxidative enzymes and enhances the efficacy of others.Melatonin also binds to a number of important antioxidant molecules,and indirectly contributes to the maintenance of the redox status in cells.The study suggests that melatonin may have a protective effect against the oxidative stress induced by exercise.Melatonin administration has increased muscle and liver glycogen content in both sedentary and exercised rats.The exercised groups are higher muscle and liver glycogen content compared to the sedentary groups.Melatonin treatment had no significant effect on body weight or food intake.The authors conclude that melatonin may play a role in regulating glycogen storage in skeletal muscle and liver,which could have implications for exercise performance and energy metabolism.Lactic acid is a byproduct of anaerobic metabolism that can accumulate in the muscle during exercise and contribute to muscle fatigue.The relationship between melatonin and lactic acid during exercise is not well understood,but some evidence suggests that melatonin may help to reduce lactic acid levels in the muscle.Zinc is necessary for melatonin synthesis.Melatonin,in turn,increases the absorption of zinc in the digestive system.The decrease observed in zinc levels after pinealectomy can cause muscle exhaustion,and thus,can have a negative impact on performance.It can be concluded that there is a significant relation between melatonin,zinc,and physical performance.

关 键 词：MELATONIN EXERCISE ZINC GLYCOGEN lactic acid 

分 类 号：R96[医药卫生—药理学]