Cook D B, O'Connor P J, Oliver S E, Lee Y
Department of Exercise Science, University of Georgia, Athens 30602-6554, USA.
Int J Neurosci. 1998 Sep;95(3-4):183-202. doi: 10.3109/00207459809003340.
This investigation examined the role of sex in perceptions of leg muscle pain during exercise. Males (N = 26; age = 23.2 +/- 3.9) and females (N = 26; age = 21.9 +/- 3.5) matched on weekly energy expenditure completed a ramped maximal cycle ergometry test. Leg muscle pain thresholds were determined and pain intensity ratings as well as ratings of perceived exertion were obtained during and after exercise. The power output at pain threshold was lower in females (129.9 +/- 46.5 watts) compared to males (148.2 +/- 56.6 watts). Peak power output and peak pain intensity ratings were lower (P < 0.001) in females (211.3 +/- 39.1 watts; 5.5 +/- 2.9) compared to males (303.6 +/- 27.5 watts; 8.5 +/- 2.3). A Sex X Relative Intensity (i.e., % peak power output) ANOVA revealed that females reported lower pain ratings at each relative intensity examined (F = 17.7; df = 1.50; p < 0.001). The primary conclusion of this investigation is that females rate naturally occurring leg muscle pain as less intense than males when data are relativized to peak power output.
本研究调查了性别在运动时腿部肌肉疼痛感知中的作用。每周能量消耗相匹配的男性（N = 26；年龄 = 23.2±3.9）和女性（N = 26；年龄 = 21.9±3.5）完成了递增式最大周期测力计测试。确定腿部肌肉疼痛阈值，并在运动期间和运动后获取疼痛强度评分以及主观用力程度评分。与男性（148.2±56.6瓦）相比，女性在疼痛阈值时的功率输出较低（129.9±46.5瓦）。与男性（303.6±27.5瓦；8.5±2.3）相比，女性的峰值功率输出和峰值疼痛强度评分较低（P < 0.001）（211.3±39.1瓦；5.5±2.9）。一项性别×相对强度（即峰值功率输出的百分比）方差分析显示，在每个检查的相对强度下，女性报告的疼痛评分较低（F = 17.7；自由度 = 1.50；p < 0.001）。本研究的主要结论是，当数据相对于峰值功率输出进行标准化时，女性对自然发生的腿部肌肉疼痛的评分低于男性。
