Tseng Shiuan-Yu, Hsu Pi-Shan, Lai Chung-Liang, Liao Wan-Chun, Lee Meng-Chih, Wang Chun-Hou
From the Institute of Medicine, Chung Shan Medical University, and Department of Physical Medicine and Rehabilitation, Taichung Hospital, Ministry of Health and Welfare, Taichung, Taiwan (S-YT); Department of Family Medicine, Taichung Hospital, Ministry of Health and Welfare, Taichung, Taiwan (P-SH); Department of Physical Medicine and Rehabilitation, Taichung Hospital, Ministry of Health and Welfare, and Central Taiwan University of Science and Technology, Taichung, Taiwan (C-LL); Department of Physical Medicine and Rehabilitation, Taichung Hospital, Ministry of Health and Welfare, Taichung, Taiwan (W-CL); Institute of Medicine, Chung Shan Medical University, and Department of Family Medicine, Taichung Hospital, Ministry of Health and Welfare, Taichung, Taiwan (M-CL); and School of Physical Therapy, Chung Shan Medical University, and Room of Physical Therapy, Chung Shan Medical University Hospital, Taichung, Taiwan (C-HW). S-Y Tseng and C-L Lai contributed equally to this work.
Am J Phys Med Rehabil. 2016 Oct;95(10):730-7. doi: 10.1097/PHM.0000000000000477.
The aim of this study was to investigate the effects of whole-body vibration training with different frequencies on the balance and flexibility of the healthy elderly.
The participants were recruited from hospital volunteers and the community; all of them were healthy subjects, all over 65 years of age. The study involved three randomized groups in a parallel and single-blind design. The main outcome variables included the limits of stability test and the sit and reach test, which were measured at pre-training, Month 1 (Mid-training), Month 3 (Post-training), and Month 6 (Follow-up).
A total of 45 subjects, with a mean age of 69.6 ± 3.9 years, were randomly divided into three groups. There was significant interaction in the performance of the limits of stability and sit and reach tests in the different groups at the four different time points (F = 25.218, P < 0.001, F = 12.235, P < 0.001, respectively). There was a significant difference in balance performance between the vibration groups at the frequencies of 20 Hz and 40 Hz and the control group at Month 1, Month 3, and Month 6 (P < 0.001).
Whole-body vibration training at 20 Hz has significant benefit to the balance and flexibility of the elderly who do not engage in habitual exercise.
本研究旨在探讨不同频率的全身振动训练对健康老年人平衡能力和柔韧性的影响。
参与者从医院志愿者和社区招募；他们均为65岁以上的健康受试者。本研究采用平行单盲设计，分为三个随机组。主要结局变量包括稳定性测试极限和坐位体前屈测试，在训练前、第1个月（训练中期）、第3个月（训练后）和第6个月（随访）进行测量。
共45名受试者，平均年龄69.6±3.9岁，随机分为三组。在四个不同时间点，不同组在稳定性测试极限和坐位体前屈测试表现上存在显著交互作用（F分别为25.218，P<0.001；F为12.235，P<0.001）。在第1个月、第3个月和第6个月，20Hz和40Hz振动组与对照组在平衡能力表现上存在显著差异（P<0.001）。
20Hz的全身振动训练对不经常运动的老年人的平衡能力和柔韧性有显著益处。
