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Abstract We measured physical activity after strenuous exercise in 20 women with chronic fatigue syndrome (CFS), compared to 20 sedentary healthy volunteers who exercised no more than once per week. Activity was measured for 2 weeks using a portable waist-worn vertical accelerometer. After the...

Thanks Yes sure, although I personally don't have any plans to publish this as a paper myself.

Yes, that is probably what it comes down to. Yet they keep saying that the symptoms are real.

Ok so they avoid activity but how does the suffering start, the extreme fatigue, widespread pain, and other symptoms? Avoiding things would probably look like an extreme anxiety disorder where people live reclusive.

Sorry did not find the actual Russian reports, only saw them mentioned in US articles and reviews.

Looks useful, thanks. Are you a hobby coder or do you have a professional background?

Thanks, that's an interesting one where fatigue is mentioned a couple of times. One article (on page 144 in the PDF) is on 16 healthy individuals who were strictly confined to bed for 70 days. They write: But this was only about one of the 16 participants. "The other subjects "also showed...

Thanks, I think this is useful to try to understand their reasoning. I've tried but I have a hard time understanding how it could work without the deconditioning part. For example: So the person misinterprets minor symptoms as being part of an organic illness, does not stop resting, is perhaps...

For what it is worth, the fear-avoidance model and deconditioning hypothesis that was applied to ME/CFS originated from pain research, mostly low back pain. It has been criticised there too. The deconditioning paradigm for chronic low back pain unmasked? - PubMed (nih.gov) The evolution is...

Yes, several people made the same argument on Twitter. But to be honest I don't really get it. Deconditioning was believed to be the middle step, the mechanism by which symptoms could arise without disease. Some argued that you can't just say to ME patients to exercise more without challenging...

Yes I think the Russian studies were the longest and fatigue was mentioned there but couldn't find those original studies (I suspect they were written in Russian). So that is a caveat.

I don't think there is clear evidence on this. Was discussed a couple of years ago on S4ME here: https://www.s4me.info/threads/blood-volume-and-red-blood-cell-volume-in-me-cfs.17305/#post-176681

Yes, thanks that would be more accurate. The Powell et al. trial from 2001, however, (the exercise that reported by far the biggest effect size) did report: That researchers believed that ME/CFS was caused by deconditioning so they set up an exercise trial to cure patients but when they...

Many thanks to oceanblue on the Phoenix Rising forum for analyzing the literature more than 10 years before me. This was very helpful in writing the blog.

Twitter summary here: 1) Just published a new blog post on what severe deconditioning looks like and how it is different from ME/CFS. 2) Interestingly the best evidence on deconditioning comes from NASA bed rest studies. Head-down bed rest was used as a proxy for the low gravity that...

Just wrote a blog about what deconditioning looks like and how it differs from ME/CFS. https://mecfsskeptic.com/what-does-deconditioning-look-like/ Interestingly the best evidence on deconditioning comes from NASA bed rest studies. Head-down bed rest was used as a proxy for the low gravity...

David's blog writes: Can anyone point me to the text? Is it available online?

The FDA disapproved MDMA-therapy for PTSD. https://www.bbc.com/news/articles/cl4465dpmrro Although randomized trials showed a clinically significant improvement, there were concerns about unblinding as most participants were able to guess which trial arm they were in. So lack of blinding was...

Does anyone know what BMI and calorie intake Maeve had when Roy decided not to use jejunal feeding or TPN?

Thanks, but blood volume is also something that is strongly impacted by bed rest and deconditioning so I suspect it would be difficult to make this part of diagnostic criteria.