抵抗训练与各种原因死亡率之间的关联:NHANES 1999-2006年
Robert Booker1, Mandy Wong1, William Boyer2
1Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
American journal of lifestyle medicine
|November 18, 2024
概括
这项研究没有发现抗力训练 (RT) 与降低全因死亡率之间的联系,这挑战了当前的运动建议. 需要进一步的研究来理解RT.
科学领域:
- 运动科学 运动科学
- 公共卫生 公共卫生
- 流行病学 流行病学
背景情况:
- 目前的体力活动指南建议每周至少进行两天的力量训练 (RT).
- 有证据表明,RT体积和心脏代谢健康之间存在剂量反应关系.
- 在RT坚持和所有原因死亡率之间的关联仍在调查中.
研究的目的:
- 调查坚持抵抗训练指南和RT量与所有原因死亡率之间的关联.
- 为了确定RT体积,以MET分钟来衡量,是否会影响死亡风险.
- 通过性别或年龄来探索这种关联的潜在修改.
主要方法:
- 分析了从1999-2006年国家健康和营养检查调查 (NHANES) 中的5855名参与者的数据.
- 在过去30天内,自我报告的关于RT频率,持续时间和类型的体育活动数据.
- 通过国家死亡指数连接到2019年底的死亡率数据,使用Cox比例危险回归分析.
主要成果:
- 只有11.6%的参与者符合推的RT指南.
- 在满足RT指南和全因死亡率之间没有发现统计学意义上的关联 (HR:1.02;95%CI:0.74,1.41).
- 每月RT量增加与所有原因死亡风险降低无关 (每1000MET分钟HR为1.02;95%CI为0.92,1.14).
结论:
- 这项研究发现,抵抗训练的坚持或体积与全因死亡率之间没有关联.
- 这些发现不支持关于死亡率益处的抵抗训练目前的建议.
- 需要进一步研究以澄清抵抗训练在降低死亡率中的作用.
相关概念视频
02:20Longitudinal Research
11.9K
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
11.9K
01:27Exercise and Muscle Performance
1.4K
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...
1.4K
01:20Exercise and Cardiovascular Response
739
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
739
01:20Lifestyle Factors and Health
37
Lifestyle factors play a critical role in maintaining overall health and preventing chronic diseases. Key elements, such as regular physical activity, a nutritious diet, and abstinence from smoking, can significantly enhance physical, mental, and emotional well-being while reducing the risk of several life-threatening conditions.
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...
37
01:20Comparing the Survival Analysis of Two or More Groups
154
Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and...
154
01:15Assumptions of Survival Analysis
97
Survival models analyze the time until one or more events occur, such as death in biological organisms or failure in mechanical systems. These models are widely used across fields like medicine, biology, engineering, and public health to study time-to-event phenomena. To ensure accurate results, survival analysis relies on key assumptions and careful study design.
97