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Norwegian 2-Day ME/CFS Exercise Study Adds Crucial Factor To Exercise Intolerance Findings

Monday 14 October 2019


From Health Rising:


Exercise test at Workwell
Maximal exercise test
underway at Workwell.

Norwegian 2-Day ME/CFS Exercise Study Adds Crucial Factor to Exercise Intolerance Findings

By Cort Johnson
October 11, 2019
Copyright © 2019 Health Rising.

It’s the toughest and perhaps most discerning test of all. The two-day maximal exercise test requires that one exercise to exhaustion (or nearly so) two days in a row. In truth, the test is over quickly: it starts out with mild pedaling on a bicycle which slowly gets harder as the resistance is increased and is over in just 8-12 minutes.

It is, however, a maximal exercise test – you exercise to your limit – and that’s why it’s so valuable. It determines how much energy a person – not a cell or a tissue – but an entire person, can pump out.

The remarkable thing is that virtually everyone, whether they’re healthy or sick with any manner of serious diseases, are able to get on a bike, pedal to exhaustion and then pump out the same amount of energy the next day. Whether we’re sick or healthy, somehow our bodies almost always retain the ability to produce energy when needed.

But not apparently in one disease. Chronic fatigue syndrome (ME/CFS) appears to be the odd man out. Put some people with ME/CFS on a bike, and their ability to generate energy (e.g. exercise) the next day plummets. That’s an important finding in a disease which introduced the term post-exertional malaise (PEM) to the medical lexicon.

If that finding holds up – and it’s held up in a number of small studies – it would suggest that exercise does things to people with ME/CFS that it doesn’t appear to do to people with other serious diseases.


Full article…



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