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Updated: Feb 15, 2026

Assessment of Murine Exercise Endurance Without the Use of a Shock Grid: An Alternative to Forced Exercise
Published on: August 14, 2014
Modelling endurance and resumption times for repetitive one-hand pushing
Linda M Rose1, Catherine A A Beauchemin2,3, W Patrick Neumann4
1a Unit of Ergonomics, Department of Health Systems Engineering, School of Technology and Health , KTH, The Royal Institute of Technology , Huddinge , Sweden.
Abstract:
This study's objective was to develop models of endurance time (ET), as a function of load level (LL), and of resumption time (RT) after loading as a function of both LL and loading time (LT) for repeated loadings. Ten male participants with experience in construction work each performed 15 different one-handed repetaed pushing tasks at shoulder height with varied exerted force and duration. These data were used to create regression models predicting ET and RT. It is concluded that power law relationships are most appropriate to use when modelling ET and RT. While the data the equations are based on are limited regarding number of participants, gender, postures, magnitude and type of exerted force, the paper suggests how this kind of modelling can be used in job design and in further research. Practitioner Summary: Adequate muscular recovery during work-shifts is important to create sustainable jobs. This paper describes mathematical modelling and presents models for endurance times and resumption times (an aspect of recovery need), based on data from an empirical study. The models can be used to help manage fatigue levels in job design.
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