Abstract
The aim of this study was to evaluate changes in physical activity, aerobic performance, and body composition in polar explorers during a 1-year stay at the polar station. The study group consisted of 10 people, including 8 men and 2 women. Aerobic performance (maximal oxygen uptake), physical activity, body mass, and composition were evaluated for the polar explores of the Polish Polar Station prior to departure, and then during their stay at the station for a period of 1 year. The measurements were performed every 3 months. Compared to the measurements taken before going to the polar station, aerobic performance significantly (p = 0.02) increased in the first 3 months of residing at the polar station and then remained relatively stable for the following duration of the stay. In the first 3 months of the stay, we also observed the highest level of physical activity in participants. In the polar explorers, no significant (p > 0.05) body fatness changes were noted. Nonetheless, lean body mass, body mass, and BMI significantly increased compared to the measurements taken before departure to the polar station. The greatest changes in aerobic performance, physical activity, and body composition were observed during the first 3 months after arrival to the Arctic and then, despite changing biometeorological conditions, they remained stable for the next months of the stay. We recommend the introduction of a physical preparation program before departing to the polar station to improve explorers’ physical fitness, so that they can meet the physical challenges they are faced with immediately after arrival to the polar station.
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Acknowledgments
This research was supported by the Polish-Norwegian Fund as part of the Arctic climate system study of ocean, sea ice, and glacier interactions in Svalbard area project (AWAKE 2) and National Center for Research and Development (Poland). The authors would like to thank the subjects who volunteered for this study. Data were gathered during the 37th Polar Expedition (Polish Academy of Sciences, Institute of Geophysics) to Spitsbergen.
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Maciejczyk, M., Araźny, A. & Opyrchał, M. Changes in aerobic performance, body composition, and physical activity in polar explorers during a year-long stay at the polar station in the Arctic. Int J Biometeorol 61, 669–675 (2017). https://doi.org/10.1007/s00484-016-1244-6
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DOI: https://doi.org/10.1007/s00484-016-1244-6