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Respiratory Muscle Training and Cognitive Function Exercising at Altitude

机译：呼吸肌肉训练和认知功能锻炼在高空

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BACKGROUND: Hiking and trekking often occur at altitudes up to 12,000 ft altitude. The hypoxia-induced hyperventilation at altitude paradoxically reduces arterial CO2 (P(a)co(2)). A reduction in P(a)co(2) results in vasoconstriction of the blood vessels of the brain and thus in local hypoxia. The local hypoxia likely affects cognitive function, which may result in reduced performance and altitude accidents. Recent publications have demonstrated that voluntary isocapnic hyperventilatory training of the respiratory muscles (VIHT) can markedly enhance exercise endurance as it is associated with reduced ventilation and its energy cost. VIHT may. be useful in blunting the altitude-induced hyperventilation leading to higher P(a)co(2) and improved cognitive function.
机译：背景:徒步旅行和徒步旅行通常发生在海拔12000英尺的高度。高海拔低氧诱导换气过度矛盾的是减少动脉二氧化碳(P (a)有限公司(2))。减少P (a)(2)的结果血管收缩的血管大脑,因此在当地的缺氧。缺氧可能影响认知功能,可能导致性能和降低高度吗事故。,自愿isocapnic hyperventilatory呼吸肌肉的训练(VIHT)显著增强运动耐力与减少通风及其相关能源成本。altitude-induced换气过度导致高P (a)(2)和改善认知功能。

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