Jammes, Yves, Stavris, Chloé, Charpin, Caroline et al. · Clinical biomechanics (Bristol, Avon) · 2020 · DOI
Researchers tested whether hand grip strength could predict how well patients with ME/CFS could exercise on a stationary bike. They found that patients with stronger hand grip were able to exercise harder and use more oxygen. This suggests that a simple hand grip test might help doctors understand a patient's exercise capacity without needing expensive equipment.
For ME/CFS patients, this finding offers a practical, non-invasive screening tool: grip strength testing is quick, inexpensive, and could help clinicians assess exercise capacity without requiring expensive ergometer equipment. For researchers, it suggests handgrip strength may serve as a useful surrogate marker in larger studies and clinical trials investigating exercise interventions and patient monitoring.
This study demonstrates correlation, not causation—stronger grip does not necessarily cause better exercise performance. The cross-sectional design cannot establish temporal relationships or mechanistic explanations for the observed associations. Additionally, the findings may not generalize to ME/CFS patients with severe disease or other comorbidities not represented in this sample.
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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