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为探讨健身锻炼对老年男子酶和自由基的影响，对照了５１名健身锻炼和４８名非锻炼老年男子血清酶活性和自由基水平。发现老年男子血清氧化还原酶活性处于成人正常值的中、下水平，血清ＳＯＤ活性低于成人正常值下限，血清ＭＤＡ含量接近成人正常值上限，健身锻炼可提高血清ＡＬＴ活性（Ｐ＜０．０５），提高血清ＣＫ活性（Ｐ＜０．０５），提高血清ＣＫＭＢ活性（Ｐ＜０．００１），提高血清ＡＳＴ活性（Ｐ＞０．０５），提高血清ＧＧＴ活性（Ｐ＞０．０５），降低血清ＡＬＰ活性（Ｐ＜０．０５），降低血清ＬＤＨ活性（Ｐ＜０．０５），同时还可以提高血清ＳＯＤ活性（Ｐ＜０．０５），降低血清ＭＤＡ含量。提示健身锻炼可改善老年男子酶代谢能力，有利于提高新陈代谢和抗氧化能力
In order to investigate the effect of exercise on the enzyme activity and free radical in the elderly men, the levels of serum enzyme activity and free radicals in 51 fitness exercise and 48 non-exercise elderly men were compared. It was found that serum oxidoreductase activity of middle aged and old men was lower than the normal limit of adult and the content of MDA in serum was close to the upper limit of normal in adults. The activity of serum ALT increased with exercise (P <0.05) ) Increased serum CK activity (P <0.05), increased serum CKMB activity (P <0.001), increased serum AST activity (P> 0.05) and increased serum GGT activity (P> 0.05 ), Decreased serum ALP activity (P <0.05), lowered serum LDH activity (P <0.05), and also increased serum SOD activity (P <0.05) and decreased serum MDA content. Tip fitness exercise can improve the elderly men enzyme metabolism, help to improve metabolism and antioxidant capacity