Oka, Takakazu, Wakita, Hisako, Kimura, Keishin · BioPsychoSocial medicine · 2017 · DOI
Researchers created a gentle yoga program done while lying down for people with severe ME/CFS who find it too difficult to sit. Over 3 months, 12 patients practiced this 20-minute program regularly and reported significant improvements in fatigue. Everyone in the study completed it safely with no serious side effects, and those who had previously tried sitting yoga preferred the lying-down version.
This study addresses a critical gap in ME/CFS care by providing evidence for a tolerable, accessible intervention for severely affected patients who cannot manage conventional sitting-based therapies. The consistent improvement in fatigue measures and safety profile suggest recumbent isometric yoga warrants further investigation as a therapeutic option for this marginalized patient population.
This pilot study does not establish causation or determine whether recumbent isometric yoga is more effective than standard care or placebo, as it lacks a control group. The small sample size (n=12) and observational design mean results cannot be generalized to all ME/CFS patients, and placebo/expectancy effects cannot be excluded. Long-term sustainability of benefits beyond 3 months remains unknown.
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, Wakita, Hisako, & Kimura, Keishin (2017). Development of a recumbent isometric yoga program for patients with severe chronic fatigue syndrome/myalgic encephalomyelitis: A pilot study to assess feasibility and efficacy.. BioPsychoSocial medicine. https://doi.org/10.1186/s13030-017-0090-z
BibTeX
@article{mecfsatlas-oka-2017-development-recumbent,
author = {Oka, Takakazu and Wakita, Hisako and Kimura, Keishin},
title = {Development of a recumbent isometric yoga program for patients with severe chronic fatigue syndrome/myalgic encephalomyelitis: A pilot study to assess feasibility and efficacy.},
journal = {BioPsychoSocial medicine},
year = {2017},
doi = {10.1186/s13030-017-0090-z},
note = {PubMed: 28270860},
url = {https://www.mecfsatlas.com/evidence/oka-2017-development-recumbent},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-25. https://www.mecfsatlas.com/evidence/oka-2017-development-recumbent
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