On fatigability and rationing as improved terminology over fatigue and pacing

rvallee

Senior Member (Voting Rights)
Recently, a few discussions over terms have caught my attention on two terms that I think can make discussions of ME/CFS make more sense. Obviously terminology is a fraught issue, we are still tainted by the 'chronic fatigue' label after all this time, and this is mainly because to retire terminology, it needs to be replaced, unless that change is imposed by saboteurs, as what happened with chronic fatigue, and this hasn't happened.

Mainly, as the title says, this is about using alternative terms for two of the main concepts: fatigability, as a replacement to fatigue, and rationing, as a replacement to pacing.

Fatigue is obviously an issue in ME/CFS, but pretty much all discussions and comments made suggest to me that fatigability, a rapid increase in fatigue after minimal exertion, makes 100x more sense than fatigue. It also removes much of the nonsense about non-existent 'baselines', since no matter how well-rested someone is, with ME/CFS the issue is that it can be made significantly worse way too easily.

Especially, not all of this is PEM, and it's causing problems. The fatigability, more than fatigue, is why rest is so important. There is even a solid analogy in rocket science, where it's not velocity that matters, so much as it's acceleration, and ultimately "delta-v", the amount of acceleration that is needed to reach an orbit. We can coast through life fatigue, but we can barely ever accelerate to where it needs to be. There is the disproportionate loss of function relative to the exertion, something that is critical to understanding and managing the illness but is almost entirely missing from all discussions, and this can't be reconciled with fatigue.

Which brings me to the other term that is problematic: pacing. Pacing isn't a good enough analogy, and it's been misused so much that I don't think it can be repaired. Lots of ideologues even use the term pacing to mean GET, and we're not fixing that any time soon. If a term requires this much over-explanation, it's bad.

What I think makes much more sense as a term is, instead: rationing. Pacing in our context is usually used in as in the context of a race, where a runner can't simply sprint the whole way, have to slow down enough to make it to the end. But it can also be used the other way: pace up, increase the pace, or you will lose the race. And this has caused so many issues, especially when you consider that the best way for someone to manage a 'baseline' increase in ability to pace up is to exercise. I think this is something that breaks the minds of rehabilitation enthusiasts, because their misunderstanding of the issue is framed in the term's limits.

Rationing makes a lot of sense to me. It evokes the limited quantity of what is needed, exertion, in a way that can't be twisted to mean the opposite. It's also dynamic, as unlike the number of spoons in a house, which doesn't vary much without going to the store and purchasing (but also offers the misleading idea that one can simply just do that, buy more energy), rationing is strictly about limiting usage and making 'refilling' actions critical to the whole thing.

Rationing is not strictly restricting. When stocks are plenty, they can be used. When they are low, their use must rapidly decrease. It's also not limited to the context of a race, which pacing sort of forces to think about, and rather makes it about normal usage. To me it's just a much better analogy.

It also works very well with video game language, which most people are familiar with by now, to some degree. You may have a number of potions/bonuses/buffs, whatever, but that number may vary, it may drop almost down to zero after a rough encounter, and you may replenish as the game moves on, except life isn't designed in a way to make the game winnable, so there is no guarantee of that. It's also just as critical to inventory management to not over-use things that are in limited quantities as it's important to make use of them when needed. Life isn't a video game with easy mode turned on, we don't finish the game with an over-flowing inventory. We have to use it as needed simply to continue playing the game of life.

I think I can make better arguments for this, but it doesn't matter much what I think, I'm more interested in what others think. Right now I think we are limited by this language, more than most understand, and one way out of it is to take control of the discussion by improving on the basics of how we talk about it.
 
Fatigue is obviously an issue in ME/CFS, but pretty much all discussions and comments made suggest to me that fatigability, a rapid increase in fatigue after minimal exertion, makes 100x more sense than fatigue.

For me baseline/background fatigue (or low energy) is much more of a disabling factor than fatiguability.

For example, I don’t have the issue of raising my hands above my head as being a problem.

Maybe we are all different or have different diseases under a syndrome umbrella.

Maybe all this refining of the definitions down to the one that fits you exactly isn’t helpful?
 
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We are trying to explain the term PEM
Are we?

Some of the time we are, of course, but the subject is wider than that. Fatiguability is present all the time, whereas PEM isn't necessarily.

I'd also say fatigue isn't present all the time—though whether others agree will partly depend on what they understand the word to mean. It may also depend on severity.
 
Are we?

Some of the time we are, of course, but the subject is wider than that. Fatiguability is present all the time, whereas PEM isn't necessarily.

I'd also say fatigue isn't present all the time—though whether others agree will partly depend on what they understand the word to mean. It may also depend on severity.
Sorry but I deleted my post. I wasn't explaining myself properly. I agree with what you wrote. I didn't have fatigue for years after onset.
 
Rationing makes a lot of sense to me. It evokes the limited quantity of what is needed, exertion, in a way that can't be twisted to mean the opposite.

I agree—my only caveat is that it implies you know how much of your meat ration you have left. And you know how much you'll get when you present your coupon to the butcher next week.

That may not be a fatal flaw, but it is in there somewhere.
 
I agree that 'rationing' is a better term than pacing considering pacing is used for other chronic illnesses that benefit from 'pacing up'
Also if you said to pre-ME me,
“activity rationing”, I immediately understand. “activity pacing” sounds more like finding an efficient way to take breaks between activities while maximising the amount of activities.
 
Fatigue is obviously an issue in ME/CFS, but pretty much all discussions and comments made suggest to me that fatigability, a rapid increase in fatigue after minimal exertion, makes 100x more sense than fatigue.
Not to me it doesn't. For me, the most disabling aspect of ME/CFS is PEM, but the thing that affects me negatively every single day is fatigue. The fact that fatigability means that I tire more quickly than someone else is, for me, a sideshow compared to everything else, and would be extremely difficult to differentiate from deconditioning, even if that was possible.

[And in case I'm misunderstood, no, I'm not saying that ME/CFS is caused by deconditioning, just that it is highly likely that I, and many others, are deconditioned due to the restrictions imposed on us by ME/CFS].
 
I don’t like fatiguability as a replacement name for fatigue, because I think they are different concepts that need different names.
Though I think @rvallee points something interesting out.
Disabling baseline fatigue, which is basically the essence of many older definitions of the illness, and still heavily heavily pushed in newer definitions like the IOM, seems not to be universal. In fact in this forum it seems about 50/50 whether fatigue or fatiguability is more disabling.

For all its flaws, this is one thing the ICC does right, you can be diagnosed without having to tick some box about “extreme chronic fatigue”.
 
Though I think @rvallee points something interesting out.
Disabling baseline fatigue, which is basically the essence of many older definitions of the illness, and still heavily heavily pushed in newer definitions like the IOM, seems not to be universal. In fact in this forum it seems about 50/50 whether fatigue or fatiguability is more disabling.

For all its flaws, this is one thing the ICC does right, you can be diagnosed without having to tick some box about “extreme chronic fatigue”.
Sure. But getting rid if fatigue is not the way forward. The solution, in my opinion, is to mention and explain both.

As long as you include PEM in the diagnostic criteria, you’ll avoid the false positive from e.g. just deconditioned people. Assuming they get PEM right, of course..
 
As long as you include PEM in the diagnostic criteria, you’ll avoid the false positive from e.g. just deconditioned people. Assuming they get PEM right, of course..
The problem I was trying to say is not the false positive, but the false negative.

Say, if you have very typical ME/CFS, you’re very severe, PEM, dozens of symptoms that come from it including fatigue, but no disabling baseline fatigue.

You don’t fit the IOM or the CCC. Because they explicitly require strong basline fatigue. (But you probably fit the ICC)
 
I don't disagree in so far as I don't find "chronic fatigue" descriptive at all of my lived experience and loathe what it means and how it is used to stigmatised and belittle me here in the UK.

For me it is a problem mustering up the energy in the first place, then pem and pain (and risk of permanent deterioration) if I do so, plus a whole bunch of immune system and neurological symptoms.

That said, I do sometimes talk of "exhaustion" meaning something beyond fatigue and out the other side again, to try to sum all of that up, which probably isn't even accurate either. I also tend to just talk about a loss of function. It's so hard to find the right language isn't it.

I find I struggle to quite understand fatiguability on foggy days and I think there may be wider issues of comprehension and misinterpretations due to the word just looking so close to fatigue, when it means something distinct. I didn't even know of the term till I came here.

Rationing makes total sense. I've seen energy conservation used too. Either of those works better. I definitely didn't get what I was meant to do when I was taught pacing. I was sort of doing the same (or even more) with breaks interspersed. Which was pretty disastrous long term for me.

But I worry whatever new terms we conjured up it would be vulnerable to "cultural appropriation" for want of a better expression by BPS and rehab proponents.

I feel we just really need the science to lead us to a new name now. (I appreciate not everyone will agree)
 
Rationing is brilliant.

I am wary of any word that has fatigue in its root. Maybe try replacing with a word thats not even medical, but conveys similar feelings? Waning, ebbing, etc, something that connotes a dminishing.

Sorry, just spitballing. But I fully am behind the rationing idea.
 
The problem I was trying to say is not the false positive, but the false negative.

Say, if you have very typical ME/CFS, you’re very severe, PEM, dozens of symptoms that come from it including fatigue, but no disabling baseline fatigue.

You don’t fit the IOM or the CCC. Because they explicitly require strong basline fatigue. (But you probably fit the ICC)
Good points
 
Rationing is brilliant.

I am wary of any word that has fatigue in its root. Maybe try replacing with a word thats not even medical, but conveys similar feelings? Waning, ebbing, etc, something that connotes a dminishing.

Sorry, just spitballing. But I fully am behind the rationing idea.
As am I. There is an implication of shortage of something and that fits perfectly with experiencing a lack of energy. Life is making repeated choices between activities ( in the broadest sense ) because they can't all be attended to. My energy is not sufficient to do all that: choices need to be made. A bath one day, a visit another, a short outing, but they can't all be done on the same day. I like rationing.
 
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