超越诊所:最大的自由生活步行作为身体表现的潜在措施
Craig Speirs1,2, Mark D Dunlop2, Marc Roper2
1PAL Technologies Ltd., Glasgow G4 0TQ, UK.
Sensors (Basel, Switzerland)
|July 29, 2023
概括
使用身上的传感器测量自由生活的步数,可以更好地评估身体表现. 对于老年人来说,最大步数的两分钟窗口似乎比六分钟窗口更具代表性.
科学领域:
- 老年学是一门学科.
- 生物医学工程 生物医学工程
- 测量身体活动的测量方法
背景情况:
- 临床体力表现测量是常见的,但可能不能完全代表日常活动.
- 自由生活的身体行为评估为个人健康提供了更全面的观点.
- 身体佩戴的传感器可以在临床环境之外对身体活动进行客观测量.
研究的目的:
- 开发和验证一种方法来测量最大的自由生活步数,使用身上的传感器.
- 对于老年人来说,要对不同持续时间的最大步数进行描述.
- 为了确定测量最大步数的最佳时间窗口,作为物理性能指标.
主要方法:
- 利用身上的传感器在自由生活环境中收集步数数据.
- 分析了不同时间窗口持续时间的步数数据 (例如2分钟,6分钟).
- 评估了老年人连续步进周期的频率和持续时间.
主要成果:
- 几乎所有参与者 (97%) 至少有一个2分钟的连续步进期.
- 显著的少数人 (31%) 缺乏任何6分钟的连续步进时间.
- 较短的窗口 (例如2分钟) 在整个人口中更一致地捕获了步行实例.
结论:
- 对于最大自由生活步数的2分钟窗口可能会为老年人提供更强大,更具代表性的体力表现衡量标准.
- 6分钟的窗口可能对长时间活动的有限机会过于敏感.
- 自由生活的步数测量提供了超出临床评估的身体表现的宝贵见解.
相关概念视频
01:27Exercise and Muscle Performance
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
01:17Exercise and Cardiac Output
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be met...
Sustained exercise increases the muscles' oxygen demand, which can be met...