Physiological and physical performance changes during a 20-day winter military training course and its subsequent 10-day recovery period
The present study investigated physiological, mental and physical performance changes during a 20-day winter military training course and the following 10-day recovery period. Fifty-eight (age 19 ± 1 years, height 182 ± 6 cm, body mass 78.5 ± 7.2 kg) male soldiers volunteered. Body composition, seru...
Published in: | International Journal of Circumpolar Health |
---|---|
Main Authors: | , , , |
Format: | Text |
Language: | English |
Published: |
Taylor & Francis
2023
|
Subjects: | |
Online Access: | http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10150620/ http://www.ncbi.nlm.nih.gov/pubmed/37119213 https://doi.org/10.1080/22423982.2023.2207287 |
id |
ftpubmed:oai:pubmedcentral.nih.gov:10150620 |
---|---|
record_format |
openpolar |
spelling |
ftpubmed:oai:pubmedcentral.nih.gov:10150620 2023-06-11T04:09:38+02:00 Physiological and physical performance changes during a 20-day winter military training course and its subsequent 10-day recovery period Ojanen, Tommi Pihlainen, Kai Vaara, Jani P. Kyröläinen, Heikki 2023-04-29 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10150620/ http://www.ncbi.nlm.nih.gov/pubmed/37119213 https://doi.org/10.1080/22423982.2023.2207287 en eng Taylor & Francis http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10150620/ http://www.ncbi.nlm.nih.gov/pubmed/37119213 http://dx.doi.org/10.1080/22423982.2023.2207287 © 2023 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. https://creativecommons.org/licenses/by-nc/4.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/ (https://creativecommons.org/licenses/by-nc/4.0/) ), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. The terms on which this article has been published allow the posting of the Accepted Manuscript in a repository by the author(s) or with their consent. Int J Circumpolar Health Arctic Military Conference in Cold Weather Medicine Text 2023 ftpubmed https://doi.org/10.1080/22423982.2023.2207287 2023-05-07T01:10:58Z The present study investigated physiological, mental and physical performance changes during a 20-day winter military training course and the following 10-day recovery period. Fifty-eight (age 19 ± 1 years, height 182 ± 6 cm, body mass 78.5 ± 7.2 kg) male soldiers volunteered. Body composition, serum biomarker levels and performance tests were measured four times during the study. In addition, questionnaires were collected daily for subjective stress and rate of perceived exertion. The course induced significant declines in body (−3.9%, p < 0.05) and fat mass (−31.6%, p < 0.05) as well as in all assessed physical performance variables (−9.2 - −20.2%, p < 0.05), testosterone (−73.7%, p < 0.001) and IGF-1 concentrations (−43.6%, p < 0.001). At the same time, the sex hormone-binding globulin, creatine kinase, and C-reactive protein values increased significantly (46.3–1952.7%, p < 0.05). After the 10-day recovery period, the body composition and hormonal values returned to the baseline (p < 0.05), as did some physical performance variables, such as 2 min sit-ups and the evacuation test (p < 0.05). However, explosive force production in the upper and lower bodies remained unrecovered. The 20-day winter military training caused significant physiological and mental stress, as well as a drastic decline in physical performance even for highly physically fit soldiers, and the 10-day recovery period did not establish full recovery. Text Arctic Circumpolar Health PubMed Central (PMC) Arctic International Journal of Circumpolar Health 82 1 |
institution |
Open Polar |
collection |
PubMed Central (PMC) |
op_collection_id |
ftpubmed |
language |
English |
topic |
Arctic Military Conference in Cold Weather Medicine |
spellingShingle |
Arctic Military Conference in Cold Weather Medicine Ojanen, Tommi Pihlainen, Kai Vaara, Jani P. Kyröläinen, Heikki Physiological and physical performance changes during a 20-day winter military training course and its subsequent 10-day recovery period |
topic_facet |
Arctic Military Conference in Cold Weather Medicine |
description |
The present study investigated physiological, mental and physical performance changes during a 20-day winter military training course and the following 10-day recovery period. Fifty-eight (age 19 ± 1 years, height 182 ± 6 cm, body mass 78.5 ± 7.2 kg) male soldiers volunteered. Body composition, serum biomarker levels and performance tests were measured four times during the study. In addition, questionnaires were collected daily for subjective stress and rate of perceived exertion. The course induced significant declines in body (−3.9%, p < 0.05) and fat mass (−31.6%, p < 0.05) as well as in all assessed physical performance variables (−9.2 - −20.2%, p < 0.05), testosterone (−73.7%, p < 0.001) and IGF-1 concentrations (−43.6%, p < 0.001). At the same time, the sex hormone-binding globulin, creatine kinase, and C-reactive protein values increased significantly (46.3–1952.7%, p < 0.05). After the 10-day recovery period, the body composition and hormonal values returned to the baseline (p < 0.05), as did some physical performance variables, such as 2 min sit-ups and the evacuation test (p < 0.05). However, explosive force production in the upper and lower bodies remained unrecovered. The 20-day winter military training caused significant physiological and mental stress, as well as a drastic decline in physical performance even for highly physically fit soldiers, and the 10-day recovery period did not establish full recovery. |
format |
Text |
author |
Ojanen, Tommi Pihlainen, Kai Vaara, Jani P. Kyröläinen, Heikki |
author_facet |
Ojanen, Tommi Pihlainen, Kai Vaara, Jani P. Kyröläinen, Heikki |
author_sort |
Ojanen, Tommi |
title |
Physiological and physical performance changes during a 20-day winter military training course and its subsequent 10-day recovery period |
title_short |
Physiological and physical performance changes during a 20-day winter military training course and its subsequent 10-day recovery period |
title_full |
Physiological and physical performance changes during a 20-day winter military training course and its subsequent 10-day recovery period |
title_fullStr |
Physiological and physical performance changes during a 20-day winter military training course and its subsequent 10-day recovery period |
title_full_unstemmed |
Physiological and physical performance changes during a 20-day winter military training course and its subsequent 10-day recovery period |
title_sort |
physiological and physical performance changes during a 20-day winter military training course and its subsequent 10-day recovery period |
publisher |
Taylor & Francis |
publishDate |
2023 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10150620/ http://www.ncbi.nlm.nih.gov/pubmed/37119213 https://doi.org/10.1080/22423982.2023.2207287 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Circumpolar Health |
genre_facet |
Arctic Circumpolar Health |
op_source |
Int J Circumpolar Health |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10150620/ http://www.ncbi.nlm.nih.gov/pubmed/37119213 http://dx.doi.org/10.1080/22423982.2023.2207287 |
op_rights |
© 2023 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. https://creativecommons.org/licenses/by-nc/4.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/ (https://creativecommons.org/licenses/by-nc/4.0/) ), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. The terms on which this article has been published allow the posting of the Accepted Manuscript in a repository by the author(s) or with their consent. |
op_doi |
https://doi.org/10.1080/22423982.2023.2207287 |
container_title |
International Journal of Circumpolar Health |
container_volume |
82 |
container_issue |
1 |
_version_ |
1768383591050379264 |