Nijs, Jo, Meeus, Mira, Heins, Marianne et al. · Disability and rehabilitation · 2012 · DOI
This study looked at whether fear of movement and worried thoughts about symptoms affect how well people with ME/CFS can climb stairs. Researchers found that people with higher fear of movement and catastrophic thinking took longer to complete the stair task. However, these fears did not predict how much physical activity people did in their daily lives over the following week.
Understanding the psychological factors that influence physical performance in ME/CFS is important for developing effective rehabilitation strategies. These findings suggest that kinesiophobia and catastrophizing may specifically impair performance during discrete challenging tasks, making psychological interventions potentially valuable for improving acute task tolerance even if they don't directly increase general daily activity.
This study does not prove that kinesiophobia and catastrophizing cause poor stair-climbing performance—only that they are correlated. The cross-sectional design cannot establish temporal relationships or rule out bidirectional effects. The findings cannot be generalized to all physical activities or determine whether addressing these psychological factors would actually improve performance.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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