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Bone:剧烈体力活动的频率和持续时间与青少年男孩的骨矿物质状况有关

2018-11-01 MedSci MedSci原创

高强度的身体活动(VPA)可以促进青少年的成骨活动;然而,VPA的频率和持续时间的最佳模式的细节是未知的。本研究旨在分析不同长度的VPA发作与骨骼健康的关系。 对180名健康男性青少年(11-13岁)的骨矿物质含量和密度进行双能X线骨密度仪扫描,评估全身,股骨颈(FN)和腰椎,并通过加速度计测量他们的体力活动周。 结果显示,VPA是与骨矿物质参数关联最强的强度,特别是在FN。最长VPA

高强度的身体活动(VPA)可以促进青少年的成骨活动;然而,VPA的频率和持续时间的最佳模式的细节是未知的。本研究旨在分析不同长度的VPA发作与骨骼健康的关系。

对180名健康男性青少年(11-13岁)的骨矿物质含量和密度进行双能X线骨密度仪扫描,评估全身,股骨颈(FN)和腰椎,并通过加速度计测量他们的体力活动周。

结果显示,VPA是与骨矿物质参数关联最强的强度,特别是在FN。最长VPA回合5分钟或以上的受试者的FN骨矿物质密度(BMD)高于未完成任何5分钟回合的受试者,连续15分钟达到VPA的参与者差异更大(> 15':0.977 ±0.020g/cm 2; 5'-15':0.907±0.009g/cm2; <5':0.876±0.009g/cm 2;均p <0.05)。当比较VPA发作与体力活动量的相关性时,体积较小且具有VPA发作的组与具有高体积但没有VPA发作的组相比具有更好的FN BMD。此外,具有高容量和VPA回合的组显示出比其他组更好的FN BMD。

综上所述,该研究结果表明,VPA可能是提高骨密度和青春期男孩含量的最有效活动强度,如果VPA期长或频繁,VPA可获得更大的益处。

原始出处:

Marin-Puyalto J, Mäestu J, et al., Frequency and duration of vigorous physical activity bouts are associated with adolescent boys' bone mineral status: A cross-sectional study. Bone. 2018 Oct 22;120:141-147. doi: 10.1016/j.bone.2018.10.019.

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    2018-12-31 apoenzyme
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    2018-11-03 zhwj
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