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1.
利用目标心率和RPE方法对老年人运动量进行监测,预防老年人运动意外的发生,达到增进健康,预防疾病,提高老年人的生活质量。 相似文献
2.
朱宏 《南京体育学院学报(社会科学版)》2007,21(1):113-115
通过对自愿参加健身跑的两组男生分别进行了测试与分析,测试表明,无论有无训练基础,在音乐环境下其步速都比无音乐时要快,在同样运动强度下,音乐使受测者的心理疲劳程度显著降低。同理,在有音乐的环境下从事各种健身运动,同样能起到起积极的影响作用。 相似文献
3.
Anthony W. Blanchfield Tammy M. Lewis-Jones James R. Wignall James B. Roberts 《European Journal of Sport Science》2018,18(9):1177-1184
The effectiveness of a nap as a recovery strategy for endurance exercise is unknown and therefore the present study investigated the effect of napping on endurance exercise performance. Eleven trained male runners completed this randomised crossover study. On two occasions, runners completed treadmill running for 30?min at 75% ?O2max in the morning, returning that evening to run for 20?min at 60% ?O2max, and then to exhaustion at 90% ?O2max. On one trial, runners had an afternoon nap approximately 90?min before the evening exercise (NAP) whilst on the other, runners did not (CON). All runners napped (20?±?10?min), but time to exhaustion (TTE) was not improved in all runners (NAP 596?±?148?s vs. CON 589?±?216?s, P?=?.83). Runners that improved TTE after the nap slept less at night than those that did not improve TTE (night-time sleep 6.4?±?0.7?h vs. 7.5?±?0.4?h, P?r2 ? =??0.76, P?=?.001). In runners that improved TTE, ratings of perceived exertion (RPE) were lower during the TTE on NAP than CON compared to runners that did not improve (?0.4?±?0.6 vs. 0?±?0, P?=?.05). Reduced exercising sense of effort (RPE) may account for the improved TTE after the nap. In conclusion, a short afternoon nap improves endurance performance in runners that obtain less than 7?h night-time sleep. 相似文献
4.
Abstract In two experiments we examined changes in the perception of action possibilities as a function of exertion. In Experiment 1, participants repeatedly climbed on a climbing wall in a series of trials that progressively increased in number to 10 trials, resulting in increased exertion. Before and during climbing, the participants judged their maximum reaching height and perceived exertion. On a separate day, participants climbed another 10 trials while performing actual maximum reaches. Higher perceived exertion was associated with decreases in perceived maximum reach while the actual reaches did not decrease. However, the perceptual changes occurred early during task execution when the participants were not yet fatigued. When exertion set in, neither perceived nor actual maximum reaching appeared to be affected. In Experiment 2, we included exhaustion trials. The findings replicated the early changes in perception observed in Experiment 1, which may be explained by hands-on experience with the task. Furthermore, while climbing to exhaustion, perceptual judgements largely changed in keeping with changes in the actual maximum reach. Thus, there appeared to be a functional relationship between participants' actual action capabilities, rather than their state of physical fatigue per se, and perceived action possibilities. 相似文献
5.
雾湿天气条件对运动能力影响的研究 总被引：2，自引：0，他引：2
为了解雾湿天气对机件各种功能活动的影响，本文在晴朗和雾湿二种天气条件下，对机体最大吸氧量以及完成相同递增负荷直至最大工作能力时机体的体力状况进行研究。结果发现，雾湿天气使最大摄氧量和握力显著下降；进行轻量负荷后，心率和RPE与晴朗天气无异，但进行亚极量以上强度运动后，心率和RPE显著增大；在最大负荷工作时，雾显天气使运动至力竭时间显著缩短，而最大心率和最高血乳酸均显著增大。因此认为，雾湿天气对运动能力有不良的影响，并提示在雾温天气下进行体育教学和训练时要适当降低运动负荷。 相似文献
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Age-related macular degeneration (AMD) is still an incurable blinding eye disease because of complex pathogenic mechanisms and unusual diseased regions.With the use of chemical biology tools,great progress has been achieved in improving the understanding of AMD pathogenesis.The severity of AMD is,at least in part,linked to the non-degradable lipofuscin bis-retinoids in retinal pigment epithelial (RPE).This material is thought to result from the lifelong accumulation of lysosomal residual bodies containing the end products derived from the daily phagocytosis of rod outer segments by RPE cells.Here,we present previously recognized bis-retinoids with focus on structures and biosynthetic pathways.In addition to a brief discussion on the mutual conversion relationships of bis-retinoids,future perspectives and the medical relevance of such studies on these lipofuscin constituents are also highlighted. 相似文献
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台阶运动负荷前后唾液睾酮和皮质醇的测定与分析 总被引：3，自引：0，他引：3
通过对10名普通健康男大学生安静状态下及两种运动负荷后唾液睾酮、唾液皮质醇和RPE（主观体力感觉）表等生理指标的测定，发现：运动后，唾液睾酮水平升高，唾液皮质醇无显著变化但有升高趋势。RPE等级升高。结果表明：两次台阶运动负荷后，唾液睾酮、唾液皮质酸及RPE表可作为评定运动疲劳的生理指标。 相似文献
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运用追踪实验法和统计分析法,对上海体育学院跆拳道运动员赛前集训期间进行心理疲劳监测,以周为训练单位,共4周.测试心理指标:闪光融合频率、心境量表(POMS)、主观体力感觉等级表.结果表明:跆拳道运动员赛前训期间闪光融合值呈先下降后上升趋势,闪光融合值能够准确反映出运动员中枢疲劳;当运动员出现心理疲劳时,消极情绪增加,在运动训练中经常表现为烦躁易怒;RPE值能够有效反映出运动负荷并受其大小而影响. 相似文献
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目的:探讨阶段运动负荷下调节纤维激酶,RPE与BP间的相关性。方法:以40名运动员为研究对象,采用自身对照法,动态调节纤维激酶,RPE与BP测量,观察运动员休息状态下到运动比赛后48h内的动态调节纤维激酶,RPE和BP变化。测定运动员运动结束后0 h,24 h,48 h的血液血清中总胆固醇(TC)与高密度脂蛋白胆固醇(HDL-C)的动态变化结果。结果:与散打运动前相比,一次运动后,运动员的BP都呈下降趋势,其中舒张压下降的程度更加明显。这种血压下降结果可持续10 h以上,24 h后恢复到运动前水平,运动后TC浓度下降(P0.05),HDL-C浓度上升(P0.05),BP与调节纤维激酶,RPE均无关,运动后24 h,HDL-C浓度持续升高(P0.01),BP受调节纤维激酶影响较大,48 h后,TC浓度恢复正常,HDL-C浓度保持较高,BP受RPE影响较大。结论:阶段运动负荷使人体血脂产生变化,运动对血脂的良好作用可持续48h,推荐3天进行一次运动,调节人体机能。 相似文献
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为了讨论男子散打项目低氧环境下心率及主观体力感觉等级变化特征,以8名优秀男子散打运动员为研究对象,采用文献资料法、实验测试法、数理统计法对低氧环境下若干指标动态变化情况进行分析。本研究认为,同等负荷下模拟高度变化是引起散打运动员心率升高的主要因素,有无低氧刺激对于散打运动员心率影响较明显,主观体力感觉（RPE）变化特征与心率变化吻合程度较高。提示散打运动员低氧训练改变模拟高度时应遵循渐进性原则,加强首次接触低氧刺激时心率监控,在散打低氧训练中可以采用心率和主观体力感觉（RPE）结合使用,使负荷安排更合理并得到及时反馈。 相似文献