与高强度间隔训练相比,力量训练优先提高皮质脊髓输出
Mohamad Rostami1, Annemarie Lee1, Ashlyn K Frazer1
1Monash Exercise Neuroplasticity Research Unit, Department of Physiotherapy, School of Primary and Allied Health Care, Faculty of Medicine, Nursing and Health Science, Monash University, Melbourne, Australia.
Journal of strength and conditioning research
|February 4, 2026
概括
力量炼 (SE) 显著提高皮质脊髓刺激能力,远远超过高强度间歇训练 (HIIT). SE增强神经输出,为神经康复计划提供潜在的好处.
科学领域:
- 神经科学是一个神经科学.
- 运动生理学 运动生理学
- 发动机控制器的控制器
背景情况:
- 皮层脊髓反应因训练类型,肌肉群和收缩而有所不同.
- 高强度间歇训练 (HIIT) 和力量炼 (SE) 对皮质脊髓刺激性和抑制性的差异影响尚未完全理解.
- 以前的研究通常集中在上肢,而不是HIIT中涉及的下肢.
研究的目的:
- 调查HIIT和SE对下肢肌肉中皮质脊髓,皮质内皮质和脊柱反应的独特影响.
- 为了比较单次高强度SE与20分钟HIIT自行车运动对神经刺激能力的影响.
主要方法:
- 十八名健康,未受过训练的受试者参加了三个条件:HIIT,SE和一个控制会.
- 经磁刺激 (TMS) 和外周神经刺激被用来评估皮质脊髓,皮质内皮质和脊髓刺激性.
- 测量是在基线和运动后5分钟进行的.
主要成果:
- 与对照组相比,HIIT和SE都增加了运动唤起潜能 (MEP) 幅度,而SE显示出明显更大的增加.
- 只有SE在更高的刺激强度 (150%AMT) 上显著增加了MEP振幅.
- SE减少了静静期的持续时间和短时间内皮层抑制,而HIIT只会在更高强度下减少静静期的持续时间. 脊柱刺激能力保持不变.
结论:
- 与高强度间歇训练 (HIIT) 相比,力量运动 (SE) 最好提高下肢肌肉的急性皮质脊髓刺激能力.
- 这些发现表明,在短期内,SE可能更有效地改善神经输出.
- 这些结果对设计神经康复计划具有重要意义,该计划适用于因皮质脊髓刺激能力降低而表现的疾病.
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