Thoughts about weight loss, muscle loss, and MC

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sarkin
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Thoughts about weight loss, muscle loss, and MC

Post by sarkin »

I read this 'primal' blog from time to time - it's another flavor of 'paleo' and kind of fun. His post yesterday caught my attention, particularly in light of the weight loss many of us have experienced, and struggle to reverse. When I first dropped weight I lost a lot of muscle - my calves shrank enough that I could feel the difference within just a week or two.

A lot of what he's talking about in this article is a teasing take-down of the kind of 'broscience' weight-lifting guys apparently share in the gym... not exactly required reading for most of us :grin:

http://www.marksdailyapple.com/how-many ... more-22548

His point is that having a ton of muscle so you can "burn fat" while lying around on the sofa is - not the point. In addition to improved insulin sensitivity, here's the good news about muscle that caught my eye:
Having greater muscle mass also acts as metabolic reserve in times of trauma. I’m not talking about famine or starvation. I’m talking about car accidents, internal damage to organs, severe burns, cancer, sepsis, and catastrophic injury. A great review article (PDF) from five years ago summarizes the role skeletal muscle plays in recovery from and survival of trauma. In these unfortunate but very real instances, protein requirements shoot up to repair damage, and muscle protein breakdown increases. More muscle mass means you have more reserves to keep the amino acids flowing. When healing from burns, dietary protein needs increase to 3 grams per kg of bodyweight. If you can’t stomach that much or dietary protein isn’t available to you, it comes from existing muscle. And, if you don’t have much muscle to spare, you’re going to recover more slowly from severe burns. Same goes for cancer patients; those who have the greatest muscle mass tend to suffer fewer recurrences and live longer. Think of skeletal muscle mass as a buffer for hard times.
The pdf link is here: http://www.ajcn.org/content/84/3/475.full.pdf+html - there are a couple of other links within his article as well - one specifically about the connection between organ reserve in aging and muscle mass, and the badness of inflammation in that regard...

My point in bringing this to this forum is - WOW, MC sure can be the kind of health crisis that might take higher protein intake than normal to weather. And of course, during a real digestive crisis, both consuming and utilizing dietary protein are no doubt sub-par. I wonder whether someone more muscular would have weathered my March gluten-crash any better, but it's an interesting thing to ask. Anyway... I can feel a lot of random speculating starting right about now (is this why women more frequently than men are MC-stricken? why it traditionally showed up in middle age, at a point when muscle mass often declines? is the general pudgification of American contributing to the seeming huge increase in celiac/non-celiac gluten sensitivity, specifically because of the reduction of muscle that's implied?).

I'll be interested in whether this correlates with anyone else's experience. My calf muscles in particular seem to have recovered, though I don't have any objective measures on that. (I noticed change even 3-4 months later, during our vacation - they were still bulking back up during that week of tourist-y walking.)

--Sara
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tex
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Post by tex »

Sara,

This is an interesting topic. I'll say this - the time or two when it got me down to hide and bones, it definitely did seem to take longer to recover, but I just assumed that was because I had farther to go.

We have a number of members who are/were athletes, mostly runners and weightlifters. They do seem to recover more quickly, and some didn't even stop their training, or their participation in events, thought they certainly had to slow down for a while, and temporarily lower their expectations.

For that matter, I'm not convinced that fat reserves are totally worthless. While they may not be as valuable as muscle tissue, I have a hunch that they can come in handy, as fuel, during recovery periods.

Tex
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It is suspected that some of the hardest material known to science can be found in the skulls of GI specialists who insist that diet has nothing to do with the treatment of microscopic colitis.
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Post by Kari »

Hi Sara,

This bit of research made my day - thanks for sharing it.

I never stopped doing yoga when I was losing weight, so I have above average muscle tone. I think yoga is a very misunderstood discipline, as many people think it primarily consists of stretching and meditation. Doing sun salutations with lots of chaturangas (a form of push-ups) offers the best form of upper body development I know of. It also has the added benefit of getting your heart pumping.

Anyhow, my mind is a bit more at ease now that I know my hard earned muscles will offer a buffer in the event of a sudden illness :).

Love,
Kari
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Post by sarkin »

Kari,

I thought of you immediately when I read that article. I bet those muscles already *did* offer you a buffer - it's just that your MC wasn't exactly sudden. I just read another study, about a yoga program - it was just a dozen poses, maybe 10 or 20 minutes a day. The cohort were "older." They had disappointingly low compliance, but those who did the program had significant bone-density benefits, as compared to controls. Plus, of course, the muscles and coordination that would reduce falling risk...

I have instituted a daily writing practice (3 pages every morning - 7+ weeks so far!), and am planning to follow it with my own 10-20 minute version, starting tomorrow. I love sun salutations, and totally agree about chaturanga. I have also been doing slow movements with modest weights, because I've always envisioned some kind of weighted tai-chi-like exercise (except I'm more of a dancer than a martial artist). I'm making it up, and just hoping to find out where it winds up.

Love,
Sara
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