业余三项运动员的最大氧气摄入量,肌肉氧化能力和呼吸门:八个月的训练后续跟踪
Mateus Guilherme Calixto Assis1, José Geraldo Gomes Barbosa Junior2, Aldo Seffrin2
1Department of Orthopedics and Traumatology, Federal University of São Paulo, São Paulo, Brazil.
Open access journal of sports medicine
|March 20, 2024
概括
调整为体重的最大氧气摄入量 (VO2max) 在三项运动员中在8个月内显著改善,表明身体健康得到改善. 然而,调整为肌肉量和呼吸门的VO2max没有变化,这表明训练灵敏度不同.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 人类表现的人类表现.
背景情况:
- 耐力表现依赖于最大的氧气吸收 (VO2max),运行经济和身体组成.
- VO2max可以测量绝对,调整为体质 (中心容量),或调整为瘦质 (LM) (外围容量).
- 了解不同VO2max调整如何反映训练适应对于运动员来说至关重要.
研究的目的:
- 为了评估绝对,体重调整和下肢LM调整的VO2max的变化.
- 在8个月的培训期间,评估呼吸门 (VT) 和呼吸补偿点 (RCP) 的变化.
- 为了确定不同VO2max测量方法在检测训练引起的变化时的灵敏度.
主要方法:
- 13名竞技业余三项运动员使用双能X射线吸收计进行了身体成分分析.
- 进行心肺呼吸最大跑步机测试以测量VO2max,VT,RCP和最大有氧速度 (MAS).
- 测量是在两个分隔8个月的评估期内进行的.
主要成果:
- 绝对VO2max (p = 0.003) 和调整为体重的VO2max (p < 0.001) 显示出显著的改善.
- 最大有氧速度 (MAS) 也显著增加 (p = 0.047).
- 下肢LM调整的VO2max,VT和RCP参数在评估期间之间没有显著差异.
结论:
- 根据体重调整的VO2max在检测三项运动员的训练适应性方面比LM调整的VO2max更为敏感.
- 总体体质量的下降,如VO2max所示,可能并不总是与静脉道变化相关.
- 不同的VO2max指标反映了对训练的生理适应的不同方面.
更多相关视频
12:59Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
Published on: July 5, 2017
12.6K
08:27A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement
Published on: February 22, 2022
3.1K
相关概念视频
Exercise and Cardiac Output
1.0K
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...
Sustained exercise increases the muscles' oxygen demand, which can be...
1.0K
Exercise 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
Muscle Recovery and Fatigue
2.1K
Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
2.1K
Exercise and Cardiovascular Response
804
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...
804
