奇特的超负荷训练比传统的抗力训练更大程度上促进了连续性瘤发生
Amelia Rilling1, Avery Hinks1, Alexandra Kirkup1
1Department of Human Health Sciences, College of Biological Sciences, University of Guelph, 50 Stone Road East, Guelph, Ontario, Canada.
American journal of physiology. Cell physiology
|December 4, 2025
概括
奇特的超负荷训练显著提高了肌肉重塑,比传统训练更多地增加了连续肉瘤数量. 这表明过载协议对于肌肉生长和适应性更优越.
科学领域:
- 肌肉生理学 肌肉生理学
- 运动科学运动科学
- 骨肌肉的适应 骨肌肉的适应
背景情况:
- 奇特的运动通过瘤生成增加了连续瘤数 (SSN).
- 传统的训练通常结合了偏心和同心收缩,限制了最大的偏心刺激.
- 奇特超负荷训练对肌肉形态和机制的影响需要进一步研究.
研究的目的:
- 为了比较异常超负荷训练 (ECC_OVERLOAD) 与常规抵抗训练 (CONV) 对肌肉的影响.
- 通过不同的训练方案来评估形态和机械适应.
主要方法:
- 19只老鼠接受了为期4周的ECC_OVERLOAD或CONV训练.
- 测量的形态变化包括序列瘤数 (SSN),囊长度 (FL),瘤长度 (SL),生理横截面积 (PCSA) 和湿重.
- 评估的机械变化包括扭矩,正常扭矩,功率和被动扭矩.
主要成果:
- 与CONV.相比,ECC_OVERLOAD显著增加了索莱斯 (17%) 和中部胃半端 (6%) 的SSN.
- 在这两组中,脚部屈曲扭矩的峰值都增加了,但在ECC_OVERLOAD组中,在90°的正常扭矩显示出更大的增加 (26%).
- 功率增加表现出性别×训练×群体相互作用,ECC_OVERLOAD组的男性表现出更大的收益.
结论:
- 奇特的超负荷训练比传统的抵抗训练为纵向肌肉重塑提供了更强大的刺激.
- ECC_OVERLOAD促进了肌肉结构的更大的适应,特别是SSN和正常扭矩.
- 这些发现突出了异常超负荷在优化肌肉缩和性能方面的潜力.
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