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| 高频全身振动训练及停练后对老年女性骨密度的影响 |
| Effects of high frequency vibration training and stop training on bone mineral density in elderly women |
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| DOI：10.3969/j.issn.1006.7108.2017.04.002 |
| 中文关键词: 全身振动训练 老年人 骨密度 停练 |
| 英文关键词:Whole-body vibration training Elderly Bone mineral density Stop training |
| 基金项目:四川省教育厅项目（16ZB0385) |
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| 中文摘要: |
| 目的 探讨24周高频全身振动训练及停练8周后对老年女性骨密度（BMD)的影响，为预防老年人骨质疏松症提供依据。方法 61名60?70岁健康老年女性随机分成振动组（30例）和对照组（31例）。采用美国Power-Plate振动仪进行24周 (3次/周，20分钟/次，频率20 ~35Hz,振幅3 mm)的无负重全身振动训练。测试0周、24周和32周所有受试者股骨近端 BMD。结果 1)24周后振动组大转子和Ward’s三角区BMD显著增大（P <0.05)，且显著大于对照组（P < 0. 05) ;2)与0周相比，停练8周后振动组大转子BMD显著增大（P <0.05)且显著大于对照组（P <0.05)。结论 高频全身振动训练能改善老年女性股骨近端BMD,但对股骨颈BMD影响不明显，停练8周后对大转子BMD提高仍起到维持作用。 |
| 英文摘要: |
| Objective To investigate the effects of 24 weeks high frequency vibration training on bone mineral density (BMD) and to evaluate if the effects are maintained B weeks after stop training, with the aim of providing evidence for the prevention of osteoporosis in the elderly. Methods 60 -70 years old women (n = 61) were randomly divided into two groups;vibration group (n=30) and control group (n =31). 24 weeks (3 times / week, 20 min / time, Frequency 20 - 35 Hz, amplitude 3 mm) without weight bearing whole body vibration training were given to the vibration group. Proximal femur BMD was tested at week 0，24 and 32. Results 1) At 24 weeks, vibration group，s greater trochanter and Ward，s triangle BMD increased significantly (P <0. 05); and was significantly greater than that of the control group (P < 0. 05 );2) 8 weeks after stop training，vibration group’s BMD significantly increased at the greater trochanter (P< 0. 05)，which was significantly greater than that of the control group (P<0. 05). Conclusion High frequency whole body vibration training can improve the BMD of the proximal femur in elderly women， but the effect on BMD of the femoral neck is not obvious. After the training stopped for 8 weeks, the BMD of the greater trochanter was still maintained. |
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