| （1.苏州大学 体育学院，江苏 苏州 215021；2.常州大学 体育学院，江苏 常州 213164； 3.易可医疗连锁南京门诊部 周围血管外科，江苏 南京 210014；4.韩国国立忠南大学 自然科学学院 运动科学系 心血管与运动实验室，韩国 大田广域 305-764.） 摘 要：为研究振动训练对低龄老年人动脉血管弹性的影响，从健康自愿者中选取年龄在60~65岁的男性50名和女性45名作为受试者，按不同性别和振动频率随机分为4个实验组，实施为期24周的振动力量训练计划，每周3次，分别对血压、颈动脉血管弹性指标AC和β进行测量；采用三因素重复测量方差分析和事后多重比较检验考察各组实验数据间的差异。结果发现，1)高频振动后，受试者的AC较训练前显著下降(P＜0.05)，降低幅度在S4—S6段有显著性差异(P＜0.05)，且男性降幅大于女性(P＜0.05)；β较训练前显著上升(P＜0.05)，升高幅度在S4—S6段有显著性差异(P＜0.05)，且男性增幅大于女性(P＜0.05)；2)低频振动后，受试者的AC较训练前显著上升(P＜0.05)，β较训练前显著下降(P＜0.05)，两者的变化幅度在各时段均无显著性差异(P＞0.05)。结果说明，长期高频振动训练可能会降低低龄老年人的动脉血管弹性，且男性的下降趋势大于女性；而长期低频振动训练对低龄老年人的动脉血管弹性则有一定程度的积极作用，无显著的性别差异。 |
CHEN Jin-ao1，2，ZHANG Lin1，CHEN Liu3，LI Wei4，Lee Sang Ki4
| （1.School of Physical Education，Soochow University，Suzhou 215021，China；2.School of Physical Education，Changzhou University，Changzhou 213164，China；3.Nanjing Out-patient Department of Yi-Ke Clinic Medical Chain，Vascular Surgery，Nanjing 210014，China；4.Lab of Cardiovascular and Exercise，Department of Sport Science，College of Natural Science，Chungnam National University，Daejeon 305-764，Korea) Abstract: In order to study the effects of vibration training on the elasticity of arterial blood vessels of the younger elderly, the authors selected 50 males and 45 females ages 60-65 as the testees from healthy volunteers, randomly di-vided them into 4 experiment groups according to genders and vibration frequencies, executed a 24-week vibration power training plan, measured their blood pressure, carotid blood vessel elasticity indexes AC (arterial compliance) and β (stiffness) 3 times a week, examined the differences between experiment data of various groups by means of three-factor repetitive measurement variance analysis and post hoc multiple comparison verification, and revealed the following findings: 1) after high frequency vibration, the testees’ AC decreased somewhat as compared with that before training (P<0.05), the decrease amplitudes had a significant difference in segments S4-S6 (P<0.05), and the males’ de-crease amplitude was greater than the females’ (P<0.05); their β increased somewhat as compared with that before training (P<0.05), the increase amplitudes had a significantly difference in segments S4-S6 (P<0.05), and the males’ increase amplitude was greater than the females’ (P<0.05); 2) after low frequency vibration, the testees’ AC increased somewhat as compared with that before training (P<0.05), their β decreased somewhat as compared with that before training (P<0.05), there was no significant difference between the changing amplitudes of the two indexes in various time segments (P>0.05). The said findings indicate the followings: long term high frequency vibration training may de-crease the elasticity of arterial blood vessels of the younger elderly, and males have a higher tendency of such decreas-ing than females; while long term low frequency vibration training has a certain degree of positive effect on the elastic-ity of arterial blood vessels of the younger elderly, which shows no significant gender difference. |
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