高血压药物治疗人群中静力性握力训练的效果：一项多层次分析
Effects of isometric handgrip training among people medicated for hypertension: a multilevel analysis.
作者信息
Millar Philip J, Bray Steve R, McGowan Cheri L, MacDonald Maureen J, McCartney Neil
机构信息
Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada.
出版信息
Blood Press Monit. 2007 Oct;12(5):307-14. doi: 10.1097/MBP.0b013e3282cb05db.
OBJECTIVE
To examine the longitudinal effects of isometric handgrip (IHG) exercise training on blood pressure using hierarchical linear modeling.
METHODS
Data from 43 participants who were medicated for hypertension at the time of training were amalgamated from three previous investigations. In each study, IHG training was completed 3 days/week for 8 weeks at 30% of maximal voluntary contraction and resting blood pressure was assessed at twice-weekly intervals throughout.
RESULTS
Hierarchical linear modeling analysis revealed a linear pattern of blood pressure decline over time with estimated reductions of 5.7 and 3 mmHg reductions in systolic and diastolic pressure, respectively. Participants with higher initial systolic pressure showed greater rates of blood pressure decline (r=-0.67), inferring that individuals with higher blood pressure stand to achieve greater benefits from this method of training.
CONCLUSIONS
These results provide further evidence that IHG training lowers resting blood pressure among persons medicated for hypertension.
目的
采用分层线性模型研究等长握力（IHG）运动训练对血压的纵向影响。
方法
将之前三项调查中43名在训练时正在接受高血压药物治疗的参与者的数据进行合并。在每项研究中，IHG训练每周进行3天，共8周，强度为最大自主收缩的30%，并在整个过程中间隔两周评估一次静息血压。
结果
分层线性模型分析显示，血压随时间呈线性下降趋势，收缩压和舒张压估计分别下降5.7 mmHg和3 mmHg。初始收缩压较高的参与者血压下降速率更大（r=-0.67），这表明血压较高的个体可能从这种训练方法中获得更大益处。
结论
这些结果进一步证明，IHG训练可降低接受高血压药物治疗者的静息血压。
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