在异常运动后的恢复动力学是体积依赖的
Anastasia Rosvoglou1, Ioannis G Fatouros1, Athanasios Poulios1
1Department of Physical Education and Sport Science, University of Thessaly, Trikala, Greece.
奇特的运动量显著影响肌肉损伤和恢复. 较高的体量 (150和300次收缩) 与较低的体量 (75次收缩) 相比,导致更大的性能损失和延迟恢复.
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
- 肌肉生物学 肌肉生物学
背景情况:
- 众所周知,古怪的收缩会导致肌肉损伤.
- 异常运动量和恢复动力学之间的剂量反应关系尚未完全理解.
- 了解这些影响对于优化培训和康复方案至关重要.
研究的目的:
- 为了比较不同体积的强度匹配的异常收缩 (75,150,300) 对肌肉损伤的影响.
- 为了研究这些体积对性能恢复动力学的影响.
- 分析炎症和氧化应激标志物,以应对不同的异常运动量.
主要方法:
- 十名健康的男性参与了一项随机交叉研究,包括四项试验:75,150,300次异常收缩 (ECC75,ECC150,ECC300) 和对照.
- 在试验之间实施了为期4周的洗期.
- 肌肉损伤,性能 (峰值扭矩,跳跃指数),炎症标志物和氧化应激标志物在多个时间点被评估.
主要成果:
- 在ECC150和ECC300组的峰值扭矩在48小时内显著下降,而ECC75则没有显著变化.
- 对于ECC150和ECC300来说,反运动跳跃性能在运动后和24小时后受损,而ECC300显示出更大的减少.
- 肌肉疼痛,肌酸激酶水平和氧化应激标志物 (蛋白质碳酸) 增加,而谷氨降低,以体积依赖的方式,特别明显在ECC300组长达192小时.
结论:
- 肌肉损伤和异常运动后的性能恢复受到运动量的显著影响.
- 更高的异常收缩量会导致更明显的肌肉损伤和更慢的恢复动力学.
- 这些发现表明,训练和康复计划应该仔细考虑异常运动的数量,以管理肌肉损伤并优化恢复.
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