Physiological and Cognitive Responses to Fast-Paced Load Carriage in the Cold Article Swipe
Marcus Peach
,
Christopher Vine
,
Sam D. Blacker
,
Kamran Ewbank
,
Rebecca Vartan
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.31219/osf.io/g845d_v1
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.31219/osf.io/g845d_v1
Physically demanding occupations, including the military, blue light services, and search and rescue organisations are often required to conduct load carriage activity concurrently with cognitive tasks whilst in austere environments. This study aimed to quantify changes in physiological and cognitive performance over time during a fast-paced load carriage (FLCP) task conducted in a cold environment. Fourteen participants (age: 26.1±7.8 years, stature: 1.85±0.08 m, body mass: 84.9±16.8 kg, estimated maximal rate oxygen uptake [V̇O2max]: 46.9±6.4 mL·kg-1·min-1) completed the FLCP in an environmental chamber (-10 °C, 50% RH) while carrying 16 kg of external load. Physiological variables (heart rate, rate of oxygen consumption, and core and skin temperatures), perceptual ratings (rating of perceived exertion, thermal comfort, and rating scale of mental effort [RSME]), and cognitive performance (Military-Specific Auditory N-Back Task [MSANT]) were recorded. Results demonstrated maintenance of cognitive performance (p = 0.344, Kendall’s W [W] = 0.080) and perceived mental effort (RSME) during the MSANT (p = 0.112, W = 0.128) across the FLCP. However, a significant main effect for time was shown for RSME during periods when participants were not undertaking the MSANT (p <0.001, W = 0.463), indicating that participants worked mentally harder as the protocol progressed. Physiological variables also increased, likely a result of the increasing exercise intensity through the FLCP. While maintenance of cognitive performance was evident, increased interim period RSME indicates a reduction in cognitive efficiency. Results can be applied to operational settings, informing decision makers of impaired cognitive efficiency when multiple stimuli are acting upon personnel.
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- https://doi.org/10.31219/osf.io/g845d_v1
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All OpenAlex metadata
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https://openalex.org/W4413440346Canonical identifier for this work in OpenAlex
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https://doi.org/10.31219/osf.io/g845d_v1Digital Object Identifier
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Physiological and Cognitive Responses to Fast-Paced Load Carriage in the ColdWork title
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articleOpenAlex work type
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enPrimary language
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2025Year of publication
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2025-08-22Full publication date if available
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Marcus Peach, Christopher Vine, Sam D. Blacker, Kamran Ewbank, Rebecca VartanList of authors in order
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https://doi.org/10.31219/osf.io/g845d_v1Publisher landing page
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://doi.org/10.31219/osf.io/g845d_v1Direct OA link when available
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Carriage, Cognition, Psychology, Cognitive psychology, Computer science, Neuroscience, Engineering, Structural engineeringTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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10Other works algorithmically related by OpenAlex
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