Exercise Improves Mood State in Normobaric Hypoxia
BACKGROUND: The purpose of this study was to quantify the efficacy of using exercise to alleviate the impairments in mood state associated with hypoxic exposure.
METHODS: Nineteen young, healthy men completed Automated Neuropsychological Assessment Metrics-4th Edition (ANAM4) versions of the mood state test before hypoxia exposure, after 60 min of hypoxia exposure (12.5% O2), and during and after two intensities of cycling exercise (40% and 60% adjusted Vo2max) under the same hypoxic conditions. Peripheral oxygen saturation (Spo2) and regional cerebral oxygen saturation (rSo2) were continuously monitored.
RESULTS: At rest in hypoxia, Total Mood Disturbance (TMD) was significantly increased compared to baseline in both the 40% and 60% groups. TMD was significantly decreased during exercise compared to rest in hypoxia. TMD was also significantly decreased during recovery compared to rest in hypoxia. Spo2 significantly decreased at 60 min rest in hypoxia, during exercise, and recovery compared to baseline. Regional cerebral oxygen saturation was also reduced at 60 min rest in hypoxia, during exercise, and recovery compared to baseline.
DISCUSSION: The current study demonstrated that exercise at 40% and 60% of adjusted Vo2max attenuated the adverse effects of hypoxia on mood. These findings may have significant applied value, as negative mood states are known to impair performance in hypoxia. Further studies are needed to replicate the current finding and to clarify the possible mechanisms associated with the potential benefits of exercise on mood state in normobaric hypoxia.
Seo Y, Fennell C, Burns K, Pollock BS, Gunstad J, McDaniel J, Glickman E. Exercise improves mood state in normobaric hypoxia. Aerosp Med Hum Perform. 2015; 86(11):976–981.
METHODS: Nineteen young, healthy men completed Automated Neuropsychological Assessment Metrics-4th Edition (ANAM4) versions of the mood state test before hypoxia exposure, after 60 min of hypoxia exposure (12.5% O2), and during and after two intensities of cycling exercise (40% and 60% adjusted Vo2max) under the same hypoxic conditions. Peripheral oxygen saturation (Spo2) and regional cerebral oxygen saturation (rSo2) were continuously monitored.
RESULTS: At rest in hypoxia, Total Mood Disturbance (TMD) was significantly increased compared to baseline in both the 40% and 60% groups. TMD was significantly decreased during exercise compared to rest in hypoxia. TMD was also significantly decreased during recovery compared to rest in hypoxia. Spo2 significantly decreased at 60 min rest in hypoxia, during exercise, and recovery compared to baseline. Regional cerebral oxygen saturation was also reduced at 60 min rest in hypoxia, during exercise, and recovery compared to baseline.
DISCUSSION: The current study demonstrated that exercise at 40% and 60% of adjusted Vo2max attenuated the adverse effects of hypoxia on mood. These findings may have significant applied value, as negative mood states are known to impair performance in hypoxia. Further studies are needed to replicate the current finding and to clarify the possible mechanisms associated with the potential benefits of exercise on mood state in normobaric hypoxia.
Seo Y, Fennell C, Burns K, Pollock BS, Gunstad J, McDaniel J, Glickman E. Exercise improves mood state in normobaric hypoxia. Aerosp Med Hum Perform. 2015; 86(11):976–981.
Keywords: Exercise; Hypoxia; Mood state
Document Type: Research Article
Affiliations: Department of Exercise Physiology, Kent State University, Kent, OH, USA
Publication date: 01 November 2015
- This journal (formerly Aviation, Space, and Environmental Medicine), representing the members of the Aerospace Medical Association, is published monthly for those interested in aerospace medicine and human performance. It is devoted to serving and supporting all who explore, travel, work, or live in hazardous environments ranging from beneath the sea to the outermost reaches of space. The original scientific articles in this journal provide the latest available information on investigations into such areas as changes in ambient pressure, motion sickness, increased or decreased gravitational forces, thermal stresses, vision, fatigue, circadian rhythms, psychological stress, artificial environments, predictors of success, health maintenance, human factors engineering, clinical care, and others. This journal also publishes notes on scientific news and technical items of interest to the general reader, and provides teaching material and reviews for health care professionals.
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