Home-based Exercise Via a Telecommunications System
试验速览
- 阶段
- 3 期
- 状态
- 已完成
- 入组人数
- 103
- 试验地点
- 2
- 主要终点
- Knee Extension Strength
研究概览
简要总结
This study is investigating the effects of a home-based resistance exercise program, administered via an interactive telecommunications system, in functionally limited older veterans.
详细描述
Inactivity and a sedentary lifestyle have been shown to accelerate and exaggerate the age-related decline in muscle strength. In this context, a rapid decline in strength among older adults has been linked to physical frailty, falls, functional decline, impaired mobility, and nursing home placement. Substantial evidence now suggests that habitual physical activity is associated with the maintenance of muscle strength and physical function well into the 8th and 9th decades of life. We propose to investigate the effects of a home-based resistance exercise program, administered via an interactive telecommunications system without the participation of health professionals, in functionally limited older veterans. Subjects will be randomized to either the automated exercise group or an attention placebo control group. The exercise group will undergo resistance training at home three times a week for 6 months, guided by the telecommunications system, followed by a 6-month maintenance phase of less frequent interaction with the system. Outcome measurements will include muscle strength and physical performance related to daily activities at 3, 6, and 12 months to determine the efficacy of the intervention and the time course and durability of the effect. The control group will also interact with the telecommunications system once a week for the whole year, but no exercise will be prescribed. If this home-based, automated, interactive exercise program is effective, it will provide a low-cost easily disseminated approach to improving the strength and functional status of older veterans
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 盲法
- None
入排标准
- 年龄范围
- 65 Years 至 —（Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Age 65 years
- •Ability to use a telephone without assistance
排除标准
- •Angina pectoris
- •Myocardial infarction
- •Ventricular dysrhythmia currently receiving therapy
- •Systolic blood pressure 165 mm Hg or diastolic blood pressure 100 mm Hg
结局指标
主要结局
Knee Extension Strength
时间窗: 6 months
The peak force measured during the bilateral knee extension exercise against the highest level of a hydraulic resistance system
Knee Flexion Strength
时间窗: 6 months
The peak force measured during the bilateral knee flexion exercise against the highest level of a hydraulic resistance system
Single Leg Stance With Eyes Open
时间窗: 6 months
Length of time standing on one leg without moving the support foot, touching the floor or support leg with suspended foot, or requiring assistance.
Six-minute Walk
时间窗: 6 months
Total distance walked during 6 minutes. Subjects were instructed to walk up and down a 100-foot level hallway as far as they could in 6 minutes.
Tandem Stance
时间窗: 6 months
Length of time standing with the heel of one foot touching the toe of the other foot keeping the feet in a straight line.
次要结局
- Knee Extension Strength (Durability)(12 months)
- Knee Flexion Strength (Durability)(12 months)
- Six-minute Walk (Durability)(12 months)
- Tandem Stance (Durability)(12 months)
- Single Leg Stance With Eyes Open (Durability)(12 months)