Ades Philip A, Savage Patrick D, Cress M Elaine, Brochu Martin, Lee N Melinda, Poehlman Eric T
Division of Cardiology, University of Vermont College of Medicine, Burlington, VT, USA.
Med Sci Sports Exerc. 2003 Aug;35(8):1265-70. doi: 10.1249/01.MSS.0000079044.21828.0E.
We evaluated the value of resistance training on measures of physical performance in disabled older women with coronary heart disease (CHD).
The study intervention consisted of a 6-month program of resistance training in a randomized controlled trial format. Training intensity was at 80% of the single-repetition maximal lift. Control patients performed light yoga and breathing exercises. Study participants included 42 women with CHD, all >or= 65 yr of age and community dwelling. Subjects were screened by questionnaire to have low self-reported physical function. The primary study measurements related to the performance of 16 household activities of the Continuous Scale Physical Functional Performance test (CSPFP). These ranged from dressing, to kitchen and cleaning activities, to carrying groceries and walking onto a bus with luggage, and a 6-min walk. Activities were measured in time to complete a task, weight carried during a task, or distance walked. Other measures included body composition, measures of aerobic fitness and strength, and questionnaire-based measures of physical function and depression score.
Study groups were similar at baseline by age, aerobic capacity, strength, body composition, and in performing the CSPFP. After conditioning, 13 of 16 measured activities were performed more rapidly, or with increased weight carried, compared with the control group (all P < 0.05). Maximal power for activities that involved weight-bearing over a distance, increased by 40% (P < 0.05).
Disabled older women with CHD who participate in an intense resistance-training program improve physical capacity over a wide range of household physical activities. Benefits extend beyond strength-related activities, as endurance, balance, coordination, and flexibility all improved. Strength training should be considered an important component in the rehabilitation of older women with CHD.
我们评估了抗阻训练对患有冠心病（CHD）的残疾老年女性身体机能指标的价值。
本研究干预包括一项为期6个月的随机对照试验形式的抗阻训练项目。训练强度为单次重复最大负荷的80%。对照组患者进行轻度瑜伽和呼吸练习。研究参与者包括42名患有CHD的女性，年龄均≥65岁且居住在社区。通过问卷调查筛选出自我报告身体功能较低的受试者。主要研究测量指标与连续量表身体功能表现测试（CSPFP）中的16项家务活动表现有关。这些活动范围从穿衣、厨房和清洁活动，到搬运杂货和带着行李走上公交车，以及6分钟步行。活动通过完成任务的时间、任务期间携带的重量或行走的距离来衡量。其他测量指标包括身体成分、有氧适能和力量指标，以及基于问卷的身体功能和抑郁评分指标。
研究组在基线时的年龄、有氧能力、力量、身体成分以及CSPFP表现方面相似。经过训练后，与对照组相比，16项测量活动中的13项完成得更快，或携带的重量增加（所有P<0.05）。涉及负重行走一段距离的活动的最大功率增加了40%（P<0.05）。
参与高强度抗阻训练项目的患有CHD的残疾老年女性在广泛的家务体力活动中身体能力得到改善。益处不仅限于与力量相关的活动，因为耐力、平衡、协调和灵活性均有所提高。力量训练应被视为患有CHD的老年女性康复的重要组成部分。
