对冲刺间隔练习的生理和感知反应,使用手臂与腿的自行车运动,人体工程学
Todd A Astorino1, Shealin Pierce1, Madisen B Piva1
1Department of Kinesiology, CSU-San Marcos, San Marcos, CA, USA.
Sports medicine and health science
|September 23, 2024
概括
使用手臂自行车人体质量 (ACE) 的冲刺间隔运动 (SIE) 与腿部自行车人体质量 (LCE) 相比,产生了较低的绝对但较高的相对氧气消耗. 这种非全方位的方法可能更容易被不活跃的成年人.
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
- 心血管健康 心血管健康
背景情况:
- 冲刺间隔运动 (SIE) 提高了功率输出和最大氧气消耗 (VO2max).
- 传统的"全力以赴"SIE强度对许多成年人来说可能是一个障碍.
- 下半身SIE对所有人来说都是不可行的.
研究的目的:
- 为了比较生理和感知反应至至高的",非全力以赴"SIE之间的腿循环人体工程学 (LCE) 和手臂循环人体工程学 (ACE).
- 确定ACE作为SIE替代模式的可行性.
主要方法:
- 24名活跃成年人接受了增量运动测试,以确定VO2最大和最大工作能力 (Wmax),使用LCE和ACE.
- 参与者在LCE或ACE上以130%的Wmax进行了四次20秒的SIE发作.
- 收集了生理 (气体交换,心率,血液乳酸盐) 和感知 (RPE,情感价值) 数据.
主要成果:
- 与LCE相比,ACE引起的绝对平均值 (1.24 L·min-1) 和VO2峰值 (1.79 L·min-1) 相对较低 (1.59 L·min-1和2.10 L·min-1).
- 与LCE相比,ACE的相对平均值 (62%的VO2最大值) 和VO2峰值 (88%的VO2最大值) 相对较高 (分别为57%和75%的VO2最大值).
- 运动后的血乳酸在LCE (7.0mM) 时高于ACE (5.7mM),在RPE或模式之间的情感价值没有显著差异.
结论:
- 与LCE相比,非"全力以赴"的ACE引起的绝对氧气消耗较低,但相对氧气消耗较高.
- 相似的和有利的感知反应表明,ACE是SIE的可行和潜在的不那么令人厌恶的替代品.
- 这种模式可以提高以前不活跃或不适应条件的成年人对SIE的可访问性.
相关概念视频
01:20Exercise and Cardiovascular Response
745
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...
745
01:26Exercise Stress Test
178
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
178