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Updated: May 20, 2026
09:25
The Treadmill Fatigue Test: A Simple, High-throughput Assay of Fatigue-like Behavior for the Mouse
Published on: May 31, 2016
Maximal exercise performance in patients with postcancer fatigue.
H Prinsen1, M T E Hopman, M J Zwarts
1Department of Medical Oncology, Radboud University Nijmegen Medical Centre, Geert Grooteplein-Zuid 8, 6525 GA, Nijmegen, the Netherlands. h.prinsen@onco.umcn.nl
Summary
Cancer survivors with severe fatigue have lower physical fitness (maximal oxygen consumption) than non-fatigued survivors. This difference in fitness is not fully explained by physical activity, self-efficacy, or social support.
Area of Science:
- Oncology
- Exercise Physiology
- Rehabilitation Science
Background:
- Cancer treatment can lead to persistent symptoms like severe fatigue.
- Physical fitness is crucial for cancer survivors' quality of life and recovery.
- Understanding factors influencing fitness in cancer survivors is essential for targeted interventions.
Purpose of the Study:
- To compare maximal exercise performance (physical fitness) between severely fatigued and non-fatigued cancer survivors.
- To investigate if physical activity, self-efficacy, or social support explain differences in physical fitness.
- To identify potential underlying factors for reduced physical fitness in fatigued cancer survivors.
Main Methods:
- A case-control study comparing severely fatigued (n=20) and non-fatigued (n=20) cancer survivors.
- Maximal oxygen consumption measured via incremental cycling exercise test.
- Physical activity assessed by actigraphy; self-efficacy and social support by questionnaires.
Main Results:
- Severely fatigued survivors exhibited significantly lower maximal oxygen consumption compared to non-fatigued survivors.
- Significant differences were observed in physical activity, self-efficacy, and social support interactions between groups.
- These factors did not fully account for the observed differences in physical fitness.
Conclusions:
- Reduced maximal oxygen consumption indicates lower physical fitness in severely fatigued cancer survivors.
- Physical activity, self-efficacy, and social support do not fully explain the diminished exercise capacity.
- Other factors, potentially cardiopulmonary in nature, may contribute to reduced fitness in this population.
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