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Thermoregulation in shallow water aquatic exercise during second trimester pregnancy.

机译：妊娠中期浅水水中运动的体温调节。

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摘要

Thermoregulation in shallow water aquatic exercise during second trimester pregnancy in two environmental conditions (control = 27.7 and treatment = 33.5°C) was investigated. Twelve subjects (age = 27.6 +/- 4.4 years) volunteered to participate. Oxygen consumption, heart rate, rating of perceived exertion, and core temperature were measured prior to, during, and following 50 minutes of aquatic exercise in each condition. There were no significant differences in maternal core temperature during exercise due to water temperature conditions. Regardless of condition, core temperature significantly increased during exercise. The mean core temperature change in the control (0.35°C) versus the treatment (0.39°C) condition was not significant. Two subjects stopped exercise in both the control and treatment conditions due to core temperature elevation greater than 38°C. Total body water loss to estimate sweat rate was significantly higher (p = 0.002) in the treatment (mean = 0.26 kg) versus control (mean = 0.10 kg) conditions. Oxygen consumption was not significantly different due to water temperature conditions. Oxygen consumption was significantly greater during the exercise session compared to the warm-up and cool-down periods. Rating of perceived exertion (RPE) was not significantly different between treatments, but significantly increased during exercise. Heart rate was significantly greater during exercise in the treatment versus the control conditions. These results suggest that the thermoregulatory response to aquatic exercise is similar between 27.7°C and 33.5°C water temperatures. Individual thermoregulatory responses suggest that sedentary subjects with excess body fat may need to monitor exercise intensity to reduce risk of hyperthermia.
机译：在两个环境条件下（对照= 27.7，治疗= 33.5°C），对孕中期妊娠浅水水中运动的体温调节进行了研究。十二名受试者（年龄= 27.6 +/- 4.4岁）自愿参加。在每种情况下进行水上运动50分钟之前，期间和之后，都要测量氧气消耗量，心率，感知的劳累程度和核心温度。在运动期间，由于水温条件，母体核心温度没有显着差异。无论条件如何，运动期间核心温度都会明显升高。对照（0.35℃）相对于处理（0.39℃）条件下的平均核心温度变化不明显。由于中心温度升高超过38°C，两名受试者在对照和治疗条件下均停止了运动。与对照（平均值= 0.10 kg）相比，治疗（平均值= 0.26 kg）中估计出汗率的全身失水量明显更高（p = 0.002）。由于水温条件，耗氧量没有显着差异。与热身和冷静时期相比，运动期间的氧气消耗量显着增加。两次治疗之间的感知劳累等级（RPE）并无显着差异，但在运动过程中显着提高。与对照组相比，治疗期间运动期间的心率明显更高。这些结果表明，在27.7°C和33.5°C的水温之间，对水生运动的温度调节反应相似。个别体温调节反应表明，久坐的人体内脂肪过多，可能需要监测运动强度以减少体温过高的风险。

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  • 作者

    Dunlap, Susan Renee.;

  • 作者单位

    University of Idaho.;

  • 授予单位 University of Idaho.;
  • 学科 Obstetrics.;Developmental biology.;Physical therapy.
  • 学位 Ph.D.
  • 年度 2003
  • 页码 93 p.
  • 总页数 93
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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