Why the study?
Assessing and predicting the functional state of specialists in extreme professional environments provides physiological justification for labor organization to maintain high performance.
Population
235 male rescue firefighters aged 25 to 45 years
Comparison
Three groups based on length of service
Authors
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Subjective-objective alignment in firefighter functional state seen only mid-career; leaves open validated monitoring needs across service lengths.
Heart rate variability and self-assessment correlate best in firefighter-rescuers with 7-15 years of experience, indicating formed professionalism.
Vlasenko et al. (2019) studied this question.
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