患有唐氏综合症和没有唐氏综合症的成年人中的加速仪输出和氧气摄入量:METs vs. 百分比 VO 2 储备
S Agiovlasitis1, B K Ballenger2, P Choi3
1Department of Kinesiology, Mississippi State University, Starkville, USA.
Journal of intellectual disability research : JIDR
|May 20, 2025
概括
加速度计测量身体活动在患有唐氏综合征 (DS) 和没有唐氏综合征 (DS) 的成年人之间有所不同. 使用百分比氧气吸收储备 (%VO2储备) 可能是一个更准确的方式来评估DS的成年人的活动强度.
科学领域:
- 运动生理学 运动生理学
- 生物医学工程 生物医学工程
- 关于残疾人的研究.
背景情况:
- 使用加速度计估计体力活动 (PA) 强度通常依赖于代谢等价物 (MET).
- 唐氏综合征 (DS) 的成年人有较低的有氧健身,这表明MET可能不会准确地反映他们的PA强度.
- %VO2储备占个体有氧能力,可能是这个人群的更好的衡量标准.
研究的目的:
- 调查加速度计输出和PA强度之间的关系是否在成年人与没有DS之间有所不同.
- 为了比较METs与%VO2Reserve的实用性,以描述DS的成年人中的PA强度.
- 确定成人DS的加速度计的最佳校准方法.
主要方法:
- 招募了41名患有DS的成年人和41名对照人群,执行了17个不同强度的任务.
- 通过便携式热度计测量氧气吸收量,表示为METs和%VO2储量.
- 从部和手腕收集了加速度计数据 (向量幅度 - VM),使用多级建模控制BMI和年龄进行分析.
主要成果:
- 对于部加速度计,VM预测了MET,但小组差异很小.
- 对于手腕加速度计,VM和年龄预测的MET.
- 对于部和手腕加速度计,VM,群体相互作用和BMI都显著预测了%VO2储量,与METs模型相比,群体之间的差异更大.
结论:
- 加速度计输出和%VO2储量之间的关系在患有和没有DS的成年人之间不同.
- 使用%VO2储备的加速度计校准可能比成人DS的MET更合适.
- 这一发现对精确评估和促进DS患者体育活动具有重要意义.
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