在中国老年女性中,身体活动,久坐不动行为模式与骨健康之间的关联
Xiaoyu Ren1, Chuan Hu2, Wenbo Wang3
1School of Physical Education, Shandong University, Jinan, China.
Bone
|January 25, 2024
概括
减少久坐不动行为 (SEB) 和进行轻度体力活动 (LPA) 可能会改善老年女性的骨健康. 这项研究强调了活动模式对于维持骨密度的重要性.
科学领域:
- 老年学是一门学科.
- 骨健康研究 骨健康研究
- 身体活动流行病学
背景情况:
- 骨健康对于老年人来说至关重要,身体活动 (PA) 和久坐行为 (SEB) 是关键的可修改因素.
- 了解不同PA和SEB模式对骨健康的影响对于有针对性的干预措施至关重要.
研究的目的:
- 调查各种体力活动模式 (PA) 和久坐行为 (SEB) 与老年女性骨健康之间的联系.
- 为了确定特定类型的PA (连续或零星) 和SEB持续时间是否会影响骨矿物质密度 (BMD).
主要方法:
- 利用了来自"老年女性身体活动和健康研究"的横截面数据.
- 使用加速度计 (Actigraph wGT3X-BT) 测量了PA和SEB.
- 通过超声波骨密度计评估骨健康,将不健康的骨定义为T-score < -2.5.5. 使用多变量逻辑回归分析了发作 (≥10分钟) 和零星 (<10分钟) 的PA和SEB模式.
主要成果:
- 超过42%的1111名参与者有不健康的骨.
- 增加10分钟,30分钟和60分钟的SEB发作时间与不健康骨的更高几率有关.
- 总轻度体力活动 (LPA) 时间与不健康骨的几率较低有关,这种关联在调整为零星LPA后维持了LPA.
- 在中度至强度的PA (MVPA) 模式和骨健康之间没有发现显著的关联.
结论:
- 进行轻度体力活动 (LPA) 对于保持骨健康是有益的.
- 减少的久坐行为 (SEB),特别是在10分钟的时间段内,可能有助于保持老年妇女的骨健康.
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