Mae ymchwil o Brifysgol Newcastle wedi darganfod is-grwp o gleifion Syndrom Llesgedd Cronig na allent gael budd o therapi ymarfer corff.
Conclusion: When exercising to comparable levels to normal controls CFS patients exhibit profound abnormality in bioenergetic function and response to it. Although exercise intervention is the logical treatment for patients showing acidosis any trial must exclude subjects who do not initiate exercise as they will not benefit. This potentially explains previous mixed results in CFS exercise trials.