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首页> 外文期刊>Mechanisms of Ageing and Development >High intensity interval training improves physical performance in aged female mice: A comparison of mouse frailty assessment tools
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High intensity interval training improves physical performance in aged female mice: A comparison of mouse frailty assessment tools

机译:高强度间隔训练改善了老年女性小鼠的物理性能:小鼠脆弱评估工具的比较

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摘要

Frailty syndrome increases the risk for disability and mortality, and is a major health concern amidst the geriatric shift in the population. High intensity interval training (HIIT), which couples bursts of vigorous activity interspersed with active recovery intervals, shows promise for the treatment of frailty. Here we compare and contrast five Fried physical phenotype and one deficit accumulation based mouse frailty assessment tools for identifying the impacts of HIIT on frailty and predicting functional capacity, underlying pathology, and survival in aged female mice. Our data reveal a 10-minute HIIT regimen administered 3-days-a-week for 8-weeks increased treadmill endurance, gait speed and maintained grip strength. One frailty tool identified a benefit of HIIT for frailty, but many were trending suggesting HIIT was beneficial for physical performance in these mice, but the 8-week timeframe may have been insufficient to induce frailty benefits. Finally, most frailty tools distinguished between surviving or non-surviving mice, whereas half correlated with functional capacity measured by nest building ability, and none correlated with underlying pathology. In summary, this study supports the ongoing development of mouse assessment tools as useful instruments for frailty research.
机译:脆弱的综合征增加了残疾和死亡率的风险,并且在人口的老年转变中是一个主要的健康问题。高强度间隔训练(HIIT),夫妻伴随着积极回收间隔的剧烈活动的爆发,显示了治疗脆弱的承诺。在这里,我们将五种油炸物理表型和一个基于常量累积的鼠标脆弱的评估工具进行比较和对比,用于鉴定HIIT对雌性小鼠的脆弱和预测功能能力,潜在病理和生存的影响。我们的数据显示了80分钟的HIIT方案3日期,8周内增加跑步机耐久性,步态速度和保持握力。一个脆弱的工具确定了脆弱的高利兹的好处,但许多趋势暗示暗示HIIT有利于这些小鼠的物理性能,但是8周的时间框架可能不足以诱导脆弱的益处。最后,大多数脆弱的工具区分幸存或非存活的小鼠之间,而通过巢构建能力测量的功能容量的一半与功能容量相关,并且没有与潜在的病理学相关联。总之,本研究支持持续发展的小鼠评估工具作为脆弱性研究的有用仪器。

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