神经肌肉原料与脊髓皮肤间刺激对人类下肢运动性能的影响:一个随机交叉假冒受控试验
Simone Zaccaron1,2,3, Lara Mari1,2, Mattia D'Alleva1,2
1Department of Medicine, University of Udine, 33100 Udine, Italy.
Journal of clinical medicine
|June 26, 2025
概括
脊髓穿皮刺激 (scTS) 抵消了运动引起的疲劳,增强了下肢肌肉力量和功率. 这种非侵入性方法支持最大的努力,表明了培训和康复计划的潜力.
科学领域:
- 神经学 神经学
- 体育科学 运动科学 运动科学
- 康复医学 康复医学 康复医学
背景情况:
- 下肢运动输出对于各种身体任务的功能性表现至关重要.
- 基于运动的炼协议旨在增强神经肌肉功能.
- 在此类方案期间,非侵入性脊髓刺激的影响需要研究.
研究的目的:
- 为了研究脊髓穿皮刺激 (scTS) 在以运动为基础的初始化协议期间对下肢肌肉力量和发电的影响.
- 评估scTS对最大自发收缩,扭矩稳定性和爆炸性下肢延伸的影响.
- 检查与脊柱电路刺激性有关的神经生理变化.
主要方法:
- 一项随机,交叉,假控制的研究,涉及12名身体活跃的年轻男性.
- 膝盖延伸器最大自发收缩和扭矩稳定性的评估,以及在启动前和后的下肢爆炸式延伸.
- 在约25分钟的炼启动方案中应用scTS或假刺激,涉及低体积,可变强度的下肢任务.
主要成果:
- 在scTS启动协议显示,在爆炸性扩展过程中,最大等距扭矩 (4.7%),峰值力 (0.2%) 和力量发展率 (6.0%) 的增加趋势.
- 相反,假协议倾向于减少这些措施 (-4.3%, -3.3%, -15.1%).
- 在scTS和假条件之间观察到显著的相互作用和中大差异,神经生理变量的趋势;扭矩稳定性没有受到影响.
结论:
- scTS有效地抵消了运动引起的疲劳,从而支持在最大努力时下肢的性能.
- 这些发现表明,scTS可以减轻与强度炼相关的性能下降.
- 建议进行进一步的研究,以优化scTS纳入高强度神经肌肉努力的培训和康复.
相关概念视频
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One of the most well-known somatic spinal reflexes is the stretch reflex, which is activated by the sudden stretching of a muscle. This reflex involves the activation of specialized sensory receptors called muscle spindles, which are located in the muscle tissue and detect changes in the length and speed of muscle contractions. When a muscle is suddenly...


