剧烈的体力炼降低了教师的精神压力诱导的反应
Laura Cristina Nonato1, Alexandre Konig Garcia Prado1, Daniela Lopes Dos Santos2
1Postgraduate Program in Physical Education, Federal University of Mato Grosso, Cuiabá 78060-900, Brazil.
身体炼可能有助于控制压力. 这项研究发现,对精神压力的系统血压反应性在肥胖指标较少的教师中较低. 急性有氧运动也降低了血压反应性.
科学领域:
- 运动生理学 运动生理学
- 心血管健康 心血管健康
- 职业健康 职业健康 职业健康
背景情况:
- 在教师中,肥胖和高血压很普遍.
- 心理压力可以显著影响心血管反应.
- 身体活动对这种人口群体的应激反应的影响尚未完全理解.
研究的目的:
- 在教师中调查肥胖标志物和心血管对精神压力的反应性 (Stroop Color Word Test - SCWT) 之间的关系.
- 为了确定急性有氧体力炼 (PE) 是否调节这种心血管反应.
主要方法:
- 31名教师在基线时接受了SCWT,并在30分钟的有氧体育训练后30分钟接受了SCWT.
- 在SCWT期间测量了心血管反应,特别是血压 (BP) 变化 (Δ).
- 评估了肥胖的标志物和身体活动水平.
主要成果:
- 系统性血压 (SBP) 对SCWT的反应性与肥胖性标志物呈负相关性 (Rho = -0.36至 -0.60,p < 0.05).
- 在基线和PE后的条件下,SBP和透气血压 (DBP) 在SCWT期间增加 (p <0.01).
- 急性PE导致总体较低的SBP (p < 0.01) 和测试后2分钟和4分钟较低的DBP (p < 0.01).
结论:
- SBP对心理压力的反应性与教师的肥胖指标相反相关.
- 在这个职业群体中,急性中等强度有氧性PE有效降低了血压对心理压力的反应性.
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