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首页> 外文期刊>The journals of gerontology.Series A. Biological sciences and medical sciences >Effects of a DVD-delivered exercise intervention on physical function in older adults
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Effects of a DVD-delivered exercise intervention on physical function in older adults

机译：DVD进行的运动干预对老年人身体功能的影响

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Background. Given the rapidly increasing demographic of older adults, it is vital to implement effective behavioral strategies to improve physical function to maintain activities of daily living. However, changing physical activity in older adults remains extremely difficult. The current trial tested the efficacy of a novel, 6-month, home-based, DVD-delivered exercise program focusing on flexibility, balance, and toning on the physical function of older adults.Methods. Older adults (N = 307) were recruited from 83 towns and cities throughout central Illinois. The trial consisted of 4 waves of recruitment and randomization from May 2010 through January 2012. Inclusion criteria included being inactive, at least 65 years of age, English speaking, providing physician's consent, and willingness to be randomized. Eligible participants were randomly assigned to 1 of 2 treatment conditions: the exercise intervention or a healthy aging, attentional control. Functional assessments were completed at baseline and following the 6-month DVD intervention. Measures included the Short Physical Performance Battery, assessments of flexibility and strength, and self-reported functional limitations.Results. Participants in the DVD intervention condition demonstrated significant improvements in the Short Physical Performance Battery (p =. 005), lower extremity flexibility (p =. 04), and upper body strength (p =. 003). There were no effects of the intervention on self-reported functional limitations.Conclusions. The exercise intervention produced a clinically significant improvement in the Short Physical Performance Battery and improvements in flexibility and strength, demonstrating the effectiveness of a low-cost DVD exercise program in improving physical function in older adults.
机译：背景。鉴于老年人口的迅速增长，至关重要的是实施有效的行为策略以改善身体机能以维持日常生活活动。但是，改变老年人的体育锻炼仍然极为困难。目前的试验测试了一种新的，为期6个月，以家庭为基础，由DVD提供的锻炼计划的功效，该锻炼计划着重于老年人的身体机能的灵活性，平衡性和色调。从伊利诺伊州中部的83个城镇招募了老年人（N = 307）。该试验包括从2010年5月至2012年1月的4次招募和随机分组试验。纳入标准包括不活跃，至少65岁，会说英语，征得医生同意以及愿意随机分组。符合条件的参与者被随机分配到2种治疗条件中的1种：运动干预或健康的衰老，注意控制。在基线和六个月DVD干预后完成功能评估。措施包括短期体能表现评估，灵活性和强度评估以及自我报告的功能局限性。 DVD干预条件下的参与者表现出了短物理性能电池（p = .005），下肢灵活性（p = .04）和上身强度（p =。003）的显着改善。干预对自我报告的功能限制没有影响。运动干预在短期运动成绩电池方面取得了临床上的显着改善，在柔韧性和力量方面也得到了改善，证明了低成本DVD运动计划在改善老年人身体机能方面的有效性。

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