PHYSIOLOGICAL MARKERS FOR DETERMINING DURATION OF RECOVERY BREAKS IN DYNAMIC WORK
TOWARDS NEW PREDICTIVE MODELS DEVELOPMENT
DOI:
https://doi.org/10.29393/EID7-5IFEJ20005Keywords:
Heavy dynamic work, Recovery breaks, Physical capacity, Fatigue tolerance limits, Predictive modelAbstract
Fatigue has been described as “a feeling of tiredness or lack of energy” and may be associated with physically demanding tasks, affecting workers with potentially serious consequences for their safety and health. For tasks that require dynamic physical work, it is necessary to determining duration of recovery breaks during the workday to prevent fatigue. In this regard, physiological limits have been proposed for dynamic work, such as the maximum acceptable working time, as well as limits based on aerobic-anaerobic fatigue thresholds. However, according to various studies, dynamic tasks can be performed above or below these physiological limits and still be unsustainable due to levels of physical
load, work duration, and other individual worker variables. For this reason, the objective of this literature review is to identify and understand the main studies and research opportunities that would allow for establishing recovery break times for dynamic work, paving the way toward developing new predictive models for prescribing these breaks based on physical exertion and physiological indicators. For the development of this literature review, classic literature related to work physiology and ergonomics was examined. Additionally, a search was conducted using the snowball strategy and by consulting the EBSCO database and Google Scholar, to obtain the greatest possible access to publications in English and Spanish from 2008 to 2023.
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Copyright (c) 2025 Esteban Oñate-Henríquez

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