Protocols used to determine the influence of backpack load on physiological variables. Systematic review |
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| Affiliation: | 1. GIzartea, Kirola eta Ariketa Fisikoa Ikerkuntza Taldea (GIKAFIT) Society, Sports, and Physical Exercise Research Group, Department of Physical Education and Sport, Faculty of Education and Sport-Physical Activity and Sport Sciences Section, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain;2. Department of Didactics of Musical, Plastic and Body Expression, University of the Basque Country (UPV/EHU), Bilbao, Spain;3. Health Sciences, Ontario Technical University, Canada;4. School of Mechanical Engineering, The University of Adelaide, Australia;5. College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar |
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| Abstract: | 
Professional mountain rescue mountain groups use backpack equipment in their professional activities. The velocity of ambulation, gradient, load and the participant's physical characteristics have been described in the scientific literature as influential factors on response to exercise. The purpose of the present systematic review is to assess the protocols used to investigate the effects of backpacks and their influence on physiological responses at laboratory. A total of 14 articles were included in the review. Most research studies indicated participants were not experienced with backpack carriage. We observed a certain threshold on physiological changes in response to exercise was between 20 and 40 kg of backpack load. In conclusion, there is a heterogeneity of protocols used at the laboratory, hampering the comparison between different results. Future research should focus on the design of protocols that reproduce real scenarios of targeted populations.Relevane to industryRescue groups, firefighters and military personnel carry load with backpack in emergency interventions. This review analyzes different types of methodological protocols that investigate the influence of backpack load on physiological responses during exercise. The result will help manufacturer design backpacks considering the physiological burden of backpack carriage. |
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| Keywords: | Emergency occupations Load carriage Oxygen consumption Energetic cost Design |
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