枸杞山楂抗运动疲劳能力的实验观察

MEDLAR HAWTHORN'ABILITY OF ANTI SPORTS FATIGUE EXPERIMENTAL OBSERVATION

目的:探讨自然服食枸杞山楂对力竭运动后Lac的变化及恢复情况,为基层体育教学训练有效改善、提高运动能力提供参考依据。方法:在知情、自愿的原则下,随机选取身体健康、无其他器质性疾病且能完成本实验过程的某高校体育教育专业同年级男性学生20名为研究对象,随机分成实验组和对照组。在不改变正常的生活、学习节奏下,实验组每人每天自然服食枸杞山楂丸10粒,对照组除不服枸杞山楂丸,其他情况与实验组相同,利用功率自行车进行力竭运动实验,分别采集服食枸杞山楂前后的观测指标(实验周期60d)并进行对比研究分析。结果:自然服食枸杞山楂丸60d能明显延长力竭时间(P<0.01)、增大完成功率(P<0.01)、降低心率(P<0.01);非常显著地降低力竭运动后,即刻血乳酸的含量(P<0.01)、升高血乳酸峰值(P<0.01),加快Lac的恢复速率(P<0.01),减少乳酸在体内的堆积,有明显提高机体抗疲劳能力的作用。结论:长期服食枸杞山楂不仅能加快Lac的恢复速率,延缓运动疲劳的发生,提高运动能力,且对人体有诸多益处,长期服用又没有毒副作用,可作为体育专业学生或基层体育训练提高其耐力水平的调补食品使用。

Objective： This paper attempts to probe into the influence of taking medlar and hawthorn upon the change and recovery of Lac after exhaustive exercise, and provide a reference for improvement of primary P.E. teaching and enhancing sport ability. Method- ology： Under the principle of being informed and of free will, 20 male students in the same grade and the major of P. E. teaching in a university are selected at random. These students should be healthy and could complete the process of the experiment. They are divided into two groups, the experimental group and the control group. Keeping the normal daily life and pace of study, each one of the experi- mental group takes ten medlar hawthorn pills, while the control group does not. The experiment of exhaustive exercise is carried out u- sing power bicycle; observations are collected respectively before and after taking medlar hawthorn pills （ in a period of 60d） and a contrastive analysis is conducted. Result： Taking 60 d medlar hawthorn pills could remarkably extend the time of exhaustive exercise （ P 〈 0.01 ） , enlarge the completing power （ P 〈 0.01 ） and reduce heart rate （ P 〈 0.01 ）. In addition, it could reduce the content of immediate Lac during exhaustive exercise, ascend Lac Peak （ P 〈 0.01 ） , speed up recovery rate of Lac （ P 〈 0.01 ） , reduce the accu- mulation of lactate and notably improve anti - fatigue ability of the body. Conclusion ： Taking medlar hawthorn pills in the long - term could not only speed up recovery rate of Lac, delay exhaustion in exercise and improve the ability of exercise, but also there are many benefits to human body. What is more, there are no side effects. Therefore, medlar hawthorn pills could serve as adjusting and tonic food for majors of P. E. and practitioners of primary P.E. exercise.