冲刺间隔训练负载对训练男子最大氧气吸收的影响
Hiroki Homma1, Nobuaki Teshigawara1, Minoru Deguchi1
1Graduate School of Health and Sport Science, Nippon Sport Science University, Tokyo, Japan.
The Journal of sports medicine and physical fitness
|October 6, 2023
概括
冲刺间隔训练 (SIT) 在训练过的个体中显著提高了耐力表现. 10%的负载可能比7.5%更有效地提高最大有氧容量 (VO2max) 和功率输出.
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
- 心血管健康 心血管健康
背景情况:
- 众所周知,冲刺间隔训练 (SIT) 可以提高最大的有氧和无氧性能.
- 在训练有素的个体中,研究最佳的SIT负载以改善最大氧吸收 (VO2max) 是至关重要的.
研究的目的:
- 为了检查不同SIT负载强度 (7.5%对10%的体重) 对训练有素的男性骑自行车者的VO2max的影响.
- 为了比较SIT负载对最大有氧功率 (MAP) 和冲刺性能指标的影响.
主要方法:
- 24名训练有素的男性接受了为期3周的SIT,每周两次,执行7次10秒冲刺,恢复4分钟.
- 被试被分配到7.5% (S7.5) 或10% (S10) 的相对阻力负载组.
- 干预前和后使用增量运动测试测量VO2max,MAP,心率和乳酸水平.
主要成果:
- 在SIT治疗3周后,S7.5和S10组的VO2max,MAP和乳酸盐水平均显著改善.
- 与S7.5组相比,S10组对VO2max (9.23±9.57%) 和MAP (8.3±10.0%) 的改善显著更大 (分别为2.2±11.2%和2.2±11.3%).
- 在S7.5中观察到峰值节奏的显著增加,但在S10中没有,这表明神经肌肉适应的潜在差异.
结论:
- 三周的SIT有效地提高了训练受试者的耐力表现.
- 在SIT期间10%的体重负荷似乎更有效地改善VO2max和MAP,而不是7.5%的负荷.
- 进一步的研究可以探索不同运动群体的长期影响和最佳SIT协议.
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