Military field training exercise with prolonged physical activity and sleep restriction causes hormonal imbalance in firefighter cadets

Sobral, Thalita Ponce; Mainenti, Míriam Raquel Meira; Cardoso, E. L.; Barros, Thiago Ramos de; Salerno, Verônica P.

doi:10.1007/s40618-022-01913-4

Cited by 3 publications

(1 citation statement)

References 32 publications

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“…33,34 Given the high-stress nature of firefighting, more data quantifying physiological stress responses is needed to better understand the impact of allostasis and stress-related cardiac events within firefighters. To date, most studies have only assessed CORT as the primary stress biomarker, 7,9,10,12,13,18,[35][36][37][38][39][40] whereas two studies have measured additional biomarkers reflective of the complex physiological stress response, such as salivary AA, pre-post fire-suppressive activities. 9,12 Interestingly, the firefighters of the present study experienced a ≈94% increase in salivary AA concentrations immediately following a ≈25-minute LFTE.…”

Section: Salivary Aa Responsementioning

confidence: 99%

Physiological Stress Responses to a Live-Fire Training Evolution in Career Structural Firefighters

Gonzalez,

Dillard,

Johnson

et al. 2024

J Occup Environ Med

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Objective This study assessed firefighters' physiological stress response to a live fire training evolution (LFTE). Methods Seventy-six (n = 76) firefighters completed an LFTE. Salivary samples were collected pre-, immediately post, and 30-min post-LFTE and analyzed for α-amylase (AA), cortisol (CORT), and secretory immunoglobulin-A (SIgA). Results Concentrations of AA, CORT, and SIgA were elevated immediately post LFTE versus pre (p < 0.0001) and 30-min post (p < 0.0001). Cohen’s d effect size comparing pre and immediately-post means were 0.83, 0.77, and 0.61 for AA, CORT, and SIgA, and were 0.54, 0.44, and 0.69 for AA, CORT, and SIgA, comparing immediately-post and 30-min post respectively. Conclusions These data demonstrate the stress response and activation of the hypothalamic-pituitary-adrenal/sympathetic-adreno-medullar axis and immune system immediately after real-world firefighting operations. Future work is needed to understand the impact of elevated stress biomarkers on firefighter performance and disease risk.

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Section: Salivary Aa Responsementioning

confidence: 99%

Physiological Stress Responses to a Live-Fire Training Evolution in Career Structural Firefighters

Gonzalez,

Dillard,

Johnson

et al. 2024

J Occup Environ Med

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Mechanisms, consequences and role of interventions for sleep deprivation: Focus on mild cognitive impairment and Alzheimer’s disease in elderly

Mukherjee,

Sehar,

Brownell

et al. 2024

Ageing Research Reviews

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A model of additional preventive measures aimed at preventing negative changes in the health of cadets

Klimov¹,

Novikova

Savchenko

2023

Med. tr. prom. èkol.

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Introduction. The high importance of preserving and strengthening the health of cadets at the stage of mastering their profession is due to the negative influence of factors of the production environment during vocational training, leading to an increase in chronic diseases and functional abnormalities in cadets. The leading role in solving this problem belongs to preventive measures implemented in modern conditions of progressive development of weapons, military and special equipment. The study aims are scientific development and justification of additional preventive measures aimed at preventing negative changes in the health of cadets. Materials and methods. When developing and justifying additional hygienic (preventive) measures aimed at preventing negative changes in the health of cadets, we have used a set of hygienic research methods to assess their compliance with hygienic standards, the risks of side effects. Results. The conducted research made it possible to identify factors that negatively affect the health of cadets during training, to develop and justify additional preventive measures aimed at preventing negative changes in the health of cadets. Also, to include them in the current system of a military university, to improve the commander's system of work to ensure the safety of military personnel and to justify additional preventive measures to preserve and strengthen the health of cadets in the conditions of daily activities. Conclusion. The implementation of the developed additional preventive measures together with general preventive measures contributed to an increase in working capacity, a decrease in morbidity rates and the number of dismissed university cadets (contract service servicemen) for health reasons from the Armed Forces of the Russian Federation, which significantly reduces the amount of damage to the state.

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Military field training exercise with prolonged physical activity and sleep restriction causes hormonal imbalance in firefighter cadets

Cited by 3 publications

References 32 publications

Physiological Stress Responses to a Live-Fire Training Evolution in Career Structural Firefighters

Physiological Stress Responses to a Live-Fire Training Evolution in Career Structural Firefighters

Mechanisms, consequences and role of interventions for sleep deprivation: Focus on mild cognitive impairment and Alzheimer’s disease in elderly

A model of additional preventive measures aimed at preventing negative changes in the health of cadets

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