方法模块:协议选择在确定运动强度时塑造性别差异
Benedikt Meixner1,2,3, Marcelle Schaffarczyk1, Billy Sperlich1
1Julius-Maximilians-Universität Würzburg, Integrative and Experimental Exercise Science & Training, Department of Sport Science, Judenbühlweg 11, 97082 Würzburg, Germany.
概括
性别之间的运动强度差异取决于所选择的参考最大值和测试方案. 不同的协议可以改变这些基于性别的相对强度差异的明显大小或方向.
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
- 人类表现的人类表现.
背景情况:
- 运动强度通常使用最大参考值的百分比来规定.
- 选择这个参考点和用于确定它的协议可以在观察到的性别差异中引入偏见.
研究的目的:
- 调查相对运动强度的男女差异是否根据用于确定最大参考点 (VO2max或PPO) 的协议 (坡道与步骤) 变化.
主要方法:
- 50名训练有素的骑自行车者 (30名男性,20名女性) 在自行车人体计上接受了坡增量和3分钟步骤测试.
- 从每个协议中确定了最大氧气吸收 (VO2max) 和峰值功率输出 (PPO).
- 基于两种方案的VO2max和PPO计算了相对强度,统计分析检查了性别和协议效应.
主要成果:
- 基于VO2的相对强度显示了小但显著的协议效应.
- 男人表现出更高的相对强度,所有基于乳酸的门,当相对于功率表达.
- 根据协议的性别相互作用表明,参考协议影响了观察到的相对强度的性别差异.
结论:
- 相对运动强度的明显性别差异取决于最大参考值的定义和测量方法.
- 在相同的相对强度下经历的生理应变可能因协议依赖的差异而不同性别不等.
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