检查认知和身体炼对身体表现的独立和交互式传递效应
Rahul K Pabla1, Jeffrey D Graham1, Michael W B Watterworth1
1Ontario Tech University, Canada.
Human factors
|October 21, 2024
概括
同时的炼导致了与单独的体力炼相似的力量下降. 认知和身体疲劳都降低了任务的自我有效性,但没有影响耐力表现.
科学领域:
- 运动生理学 运动生理学
- 认知神经科学 认知神经科学
- 人类表现的人类表现.
背景情况:
- 疲劳的认知和身体炼会对后续任务的表现产生负面影响.
- 与单模运动相比,同时进行体力和认知炼对体力表现的影响尚不清楚.
研究的目的:
- 为了比较先前的认知,身体和并发性劳动对身体表现的影响.
- 调查是否同时进行的劳动过度夸大了对身体表现的负面转移效应.
主要方法:
- 25名参与者接受了四次对称手握耐力试验,每次都先进行15分钟的认知,身体,并发或控制操纵.
- 测量包括手握强度,电肌图 (EMG),力追踪,以及疲劳,影响,动机和自我效能的主观评分.
主要成果:
- 在体力和并发炼后,手握强度显著下降,但不是认知或控制条件.
- 心理和身体疲劳的感知增加,耐力试验的自我有效性在所有实验条件下下降,与对照相比.
- 在耐力时间,EMG或跨条件追踪性能方面没有发现显著差异.
结论:
- 同时的炼会导致与单独的体力炼相比的力量下降.
- 虽然同时炼会增加疲劳感知,但它对耐力表现的影响与单独的认知或身体炼类似.
- 需要对更高的暴露水平或持续时间进行进一步的研究,以充分了解并发性劳动效应.
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