Oka, Takakazu, Lkhagvasuren, Battuvshin, Yamada, Yu · BioPsychoSocial medicine · 2025 · DOI
Researchers tested whether a gentle yoga program designed for bedridden ME/CFS patients could help improve their daily functioning and fatigue. Patients in the yoga group practiced recumbent (lying-down) isometric yoga for about 12 weeks alongside their regular treatment, while the control group received standard treatment alone. The yoga group showed significantly better improvements in functioning and fatigue levels, especially those with severe disease or fibromyalgia, with no serious side effects reported.
Most ME/CFS patients cannot tolerate standard exercise programs, making adaptive interventions for bedridden populations critically needed. This study provides evidence that recumbent isometric yoga may safely improve functioning and fatigue in severely affected patients, including those with comorbid fibromyalgia—populations often excluded from clinical trials. The reported benefits regarding post-exertional malaise awareness suggest potential improvements in activity pacing strategies.
This study does not prove recumbent isometric yoga works for all ME/CFS patients or demonstrate its long-term effectiveness beyond the 12-week intervention period. The lack of blinding and relatively small sample size limit causal claims, and the mechanisms underlying symptom improvement remain unclear. Results cannot be generalized beyond the specific yoga protocol tested or to milder ME/CFS presentations.
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 →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Oka, Takakazu, Lkhagvasuren, Battuvshin, & Yamada, Yu (2025). Effects of recumbent isometric yoga on the daily functioning level of patients with myalgic encephalomyelitis/chronic fatigue syndrome: a randomized, controlled trial.. BioPsychoSocial medicine. https://doi.org/10.1186/s13030-025-00339-7
BibTeX
@article{mecfsatlas-oka-2025-effects-recumbent,
author = {Oka, Takakazu and Lkhagvasuren, Battuvshin and Yamada, Yu},
title = {Effects of recumbent isometric yoga on the daily functioning level of patients with myalgic encephalomyelitis/chronic fatigue syndrome: a randomized, controlled trial.},
journal = {BioPsychoSocial medicine},
year = {2025},
doi = {10.1186/s13030-025-00339-7},
note = {PubMed: 41074089},
url = {https://www.mecfsatlas.com/evidence/oka-2025-effects-recumbent},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-26. https://www.mecfsatlas.com/evidence/oka-2025-effects-recumbent
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