阴道声调,疼痛敏感性和运动诱导的缺痛症:身体活动水平的影响
Ela Michaeli Izak1, Einat Kodesh1, Irit Weissman-Fogel1
1Physical Therapy Department, Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa, Israel.
European journal of pain (London, England)
|April 12, 2024
概括
在高度活跃的个体中,较高的阴道音调不会增加运动诱导的缺血症 (EIH). 阴道声调只能在不太活跃的人中增强疼痛抑制,表现出身体活动可以缓解阴道-疼痛联系.
科学领域:
- 身体生理学 身体生理学
- 疼痛感知 疼痛感知
- 运动科学 运动科学
背景情况:
- 阴道活动会影响疼痛感知,可能是通过运动诱导的低痛症 (EIH).
- 虽然在运动者中注意到高阴道音调和低疼痛敏感性,但它们与EIH的直接关联和影响尚不清楚.
- 在预测或加剧EIH方面,高管度在强度活动后的作用尚不清楚.
研究的目的:
- 为了研究身体活动水平,阴道度和疼痛敏感度之间的关系.
- 为了确定较高的阴道音调是否预测或加剧运动诱导的低性痛 (EIH).
- 探索身体活动水平如何调节阴道音调和疼痛调节之间的关联.
主要方法:
- 51名健康参与者 (27名低中度活跃,24名高活跃) 接受了静止状态心电图,以分析心率变化.
- 用压力疼痛值 (PPT),热量疼痛值 (HPT),强力热量疼痛 (THP) 评级和条件疼痛调制 (CPM) 来评估疼痛敏感性.
- 测量是在标准化循环人体表运动方案之前和之后进行的.
主要成果:
- 与低中等活跃组相比,高度活跃的个体表现出明显更高的阴道音调 (RMSSD和pNN50%) 和运动前的PPT.
- 两组人都表现出运动后的EIH,HPT增加和THP评级下降.
- 线性回归表明,较高的阴道音调与更有效的运动前CPM和运动后更大的THP减少有关,但仅在低中等活跃组.
结论:
- 高度活跃的个体具有更高的阴道音调和较低的疼痛敏感性,但不显示增强的EIH.
- 阴道声调在调节疼痛抑制和EIH中的作用仅在低至中度活跃个体中显著.
- 身体活动水平似乎可以缓解阴道和内源性镇痛系统对疼痛的反应之间的关系.
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