不同黑素剂量的急性影响在充足的骑自行车运动期间的表现和心理反应:双盲交叉研究
Larissa de Castro Pedroso1, Maria Clara Dos Reis1, Vanessa Bertolucci1
1Research Group on Technology Applied to Exercise Physiology-GTAFE, Health Sciences and Health Data Science Postgraduate Programs, São Francisco University (USF), Bragança Paulista 12916-900, SP, Brazil.
急性黑激素补充剂 (5-20毫克) 在健康的,没有骑自行车经验的男性中没有改善运动表现或改变生理反应. 在本研究人群中,黑素没有显示出人体工程效应.
科学领域:
- 运动生理学 运动生理学
- 营养补充 营养补充
- 运动科学 运动科学 运动科学
背景情况:
- 黑色素是一种具有潜在人体效应特性的激素.
- 它对运动表现和生理反应的影响需要进一步研究,特别是在未经训练的个体中.
研究的目的:
- 调查不同剂量 (5,12.5,20毫克) 的黑激素在充足循环期间对表现和生理/心理生理反应的急性影响.
- 为了确定黑激素在身体活跃,没有骑自行车经验的男性中是否表现出人体育效应.
主要方法:
- 这是一项双盲,随机,安慰剂控制,交叉研究,共15名参与者.
- 参与者在服用安慰剂或黑激素后,在无氧值 (AnT) 的80%完成了详尽的循环.
- 关键指标包括耗尽时间 (TLim),心率,氧和,乳酸,葡萄糖和感知到的劳动力.
主要成果:
- 在黑激素剂量或安慰剂之间没有发现耗尽时间 (TLim) 的显著差异.
- 生理和心理生理变量显示了预期的运动诱导的变化,但没有被黑激素显著调节.
- 没有观察到剂量与反应的关系,这表明黑激素没有人体效应.
结论:
- 在健康的,没有骑自行车经验的男性中,急性黑激素 (5-20毫克) 给药不会在长时间的个性化骑自行车运动中提高表现.
- 在这个人群中,黑素并没有显著改变运动压力的关键生理或心理生理标志物.
- 这些发现表明,黑激素对于这种特定的炼环境和人口统计学来说并不是有效的人体工程学辅助剂.
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