力竭后补充富氢水和葡萄糖对疲劳恢复趋势的影响

目的 探讨力竭运动后即刻给予葡萄糖和(或)富氢水对大鼠丙二醛、肌糖原、运动耐力随时间的变化趋势.方法 通过对力竭运动后SD大鼠即刻灌胃给予生理盐水(生理盐水组)、富氢水(富氢水组)、葡萄糖(葡萄糖组)、葡萄糖和富氢水联合(联合组)等处理,检测各恢复时间点(力竭运动后1、3、6、8 h)血清丙二醛、腓肠肌肌糖原浓度及运动耐力.结果 (1)组内比较,各组内各时间点丙二醛、运动耐力随时间的变化趋势差异无统计学意义,肌糖原含量有上升趋势.(2)组间比较,富氢水组、联合组丙二醛低于生理盐水组(P<0.05,P<0.01);葡萄糖组、联合组肌糖原显著高于生理盐水组(P<0.01),联合组运动耐力均显著高于生理盐水组(P<0.01).结论 力竭运动后葡萄糖联合富氢水能有效降低血清丙二醛,增加腓肠肌肌糖原,增加运动耐力;单独给予葡萄糖仅能增加肌糖原;单独给予富氢水仅能降低血清丙二醛;但在各实验处理下,除肌糖原有随时间上升趋势外,血清丙二醛、运动耐力均无明显变化趋势.

Effects of hydrogen-rich water and glucose supplement after exhaust exercise on the trend of sports fatigue re-covery

Objective To investigate the time - dependent variation trend of the malonaldehyde content (MDA), muscle glycogen content and sports endurance in SD rats which were given glucose solution and (or)hydrogen - rich water immediately after exhaust exercise. Methods We conducted the experiment by giving SD rats in different groups with glucose solution,hydrogen - rich water and glucose combined with hydrogen - rich water immediately after exhaust exer-cise and measuring the MDA content,muscle glycogen content and sports endurance at every time spots. Results Com-paring among different time,there was no difference in MDA content or sport endurance in each group among different time spots. There was a rising trend of muscle glycogen in each group. Comparing among different groups,the MDA content in serum was significantly higher in the hydrogen - rich water group than in the normal saline group (P < 0. 05). The MDA content was significantly higher in the combined drug group than in the normal saline group (P < 0. 01). The muscle gly-cogen content in the glucose group and the combined group was significantly higher than that in the normal saline group (P < 0. 01). The sports endurance was significantly higher in the combined drug group than in the normal saline group (P < 0. 01). Conclusion Glucose combined with hydrogen - rich water supplement after exhaust exercise can reduce MDA content effectively and increase muscle glycogen and sports endurance. Glucose supplement can only increase muscle glycogen. Hydrogen - rich water supplement alone can reduce MDA. There is no significant time - dependent variation trend in the MDA content and sport endurance in each experimental group. There is a rising trend of muscle glycogen in each group.