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Is there any physiological benefits to having a six pack/low body fat percentage beyond the aesthetic value of looking good without your clothes on?

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Good question, been wondering about this as well. – Wisper Apr 17 2012 at 8:42

5 Answers

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This is a difficult question to answer. Since body fat accumulation typically takes time, and it is not ethical to test force-feeding to increase fatness via randomized trials, there are only hypothetical advantages and disadvantages.

One major disadvantage to having low body fat (not surviving famine) is pretty much moot in many countries.

One major advantage to having low body fat seems totally backwards-- getting a six pack is an indicator of being a go-getter (not a perfect one, but a strong one). Being a go-getter in terms of resilience, i.e. surviving challenging life situations.

Physiologically, the difference between a normal six-pack (around 9%-14% bodyfat for males) and looking like a cadaver (around 6% for males, with females being an entirely different story) is huge in terms of health. Telling your body that you are not getting enough food for months and years screws up almost every important physiological system.

I recently wrote an article showing DEXA-verified levels of bodyfat.
http://paindatabase.com/bodyfat/

Anecdotally, the natural bodybuilders I have known, who are just relatively mediocre in bodyfat compared to other competitors, seem quite healthy. Same for powerlifters and other athletes. A good indicator of "too low bodyfat" is unidentified muscle striations. If you have a ripped back, that's awesome. But if you have christmas-tree striations in your lower back without dieting, there may be some detriment for long term health.

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excellent answer!! – Lucas Apr 16 2012 at 17:34
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there seems to be a happy medium then between about 5% and 15%. ideally one should see there abs without them being explicit. – Lucas Apr 16 2012 at 17:38
what about the hormonal properties of intra-abdominal fat – Lucas Apr 16 2012 at 17:38
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Very nice article Kamal. Nice to see what the numbers of different body fat percentages actually look like. – Lucas Apr 16 2012 at 17:56
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The crazy thing about bodyfat is how little we know about it. Leptin was discovered in 1994 and now it's the bum bum bum bum....THE MOST IMPORTANT THING EVER! Probably the most important thing ever is to have a "normal" weight body and a brain that isn't constantly stressed. Personally, I'd love to look like Mark Sisson into my 50's, but hopefully I won't be on the market for chicas at that age, and can enjoy a little bit of extra padding around my mid section. Overeating sometimes is fun, once you're binge-proof (I'm not there yet, at all!) – Kamal Apr 16 2012 at 18:12
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Let me say that even as a young athletic male I never had a six pack, no matter how hard I worked out. Now that Im well into my thirties and have reduced my workouts while adding in the diet aspect, I have visible abdominal muscles, maintain 8-9% BF year round. Here are a few of my observations.

1) I hate to dwell on this one but lets go ahead and get it out of the way. The biggest notable difference is absolutely the qaulity of female I am able to "interact" with. Something as simple as hugging someone seems to drive them to want to investigate your stomach. I find this interesting as most women Ive known seemed to downplay muscles in a mate. Yet, my own N=1 experiment is that you'll definitely have more, higher quality, options.

2) It is in my opinion the hardest muscle to "develop." By the word "develop" I mean simply stimulating the muscle will do almost nothing, if your BF isn't right. I used to wish I was a bigger/stronger guy in the gym, now I wouldn't trade places with the biggest guy at Golds. Instead I feel like Ive decoded my own personal body code for symmetry and leanness, while there recipe is just "try and get bigger."

3) I tend to gravitate towards things in life that money will not get you, abdominals fall into this category as do some of the more extreme branches of military training, mountain climbing, ultra marathons etc. In the end people know you've put in the work to get a six pack, and you didn't pay for it.

Lastly, yesterday while riding my beach cruiser through pacific beach I saw two overweight gentlemen, going up and down the strip in a yellow convertible Lamborghini. I locked eyes with the driver for a brief second and wondered if him and I weren't trying to do the same thing? Recognition? They say babies cry for it, old men die for it.

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Lol... you 'interact' more with women because of your abdominal muscles? Isn't that superficial if some so-called 'higher quality' women reduce you on your muscles? I mean it may be nice to see it but there are more important things in life. – Cavewoman Apr 16 2012 at 21:01
Really? Is that what you tell your girlfriends who want breast augmentation surgery? Please share what aspects of a man you define as more important than health? Oh and by quality Im almost exclusively talking about attractiveness, in my case. – Cory151 Apr 17 2012 at 13:17
What has a breast augmentation surgery to do with your post? The coherence is not visible. Health is important I agree, Cory, but having abdominal muscles doesn't mean you are healthy. There are a lot of men who are on paleo and don't have abs. Does that mean they are not healthy? I know some men, who have a six pack without doing anything for it and they consume junk food quite often. Or bodybuilder who eat really one-sided. – Cavewoman Apr 17 2012 at 17:01
So your saying you know people with six pack abs that are unhealthy? Let see em' then. Who, where? Do you need me to break out the studies that suggest large amounts visceral belly fat is an almost perfect visible marker for diabetes and metabolic derangement? Would you not agree that 100 people with six pack abs are healthier than the average 100 Americans people walking down the street? Id love to keep disputing why birthday present are bad (when everybody thinks they are good) but Ive got to go "interact." I think we could all use a little more of that. – Cory151 Apr 19 2012 at 3:14
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I think there is always a physiological benefit for when you are comfortable and even happy with the way you look. So if a 6 pack makes you happy and more content with yourself then I say yes. However, if keeping that 6 pack makes you obsessive compulsive and takes away from other enjoyments, then no.

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beside that one i meant see above i do realize however that the psychological benefits of looking good will have physiological benefits but i meant other than the indirect physiological benefits gained from the psychological component – Lucas Apr 16 2012 at 17:04
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Seriously, Lucas? You're telling others to upvote your question just because you upvoted their answer? ...Da fuq? I'm so tempted to be a troll and downvote your question now. – April S. Apr 16 2012 at 17:10
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I think you should upvote me for using my response for your back and forth banter about asking for upvoting ;) – hemanvt Apr 16 2012 at 17:38
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Is there any chance you could go back and stay there? – Warren D Apr 16 2012 at 22:19
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i hope the amphetamine's worn off by now – Josh Apr 17 2012 at 1:39
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I remember hearing that fatter people actually have a greater chance of being rescued in a survival situation. Dunno whether it's simply because they can last longer or because they're less likely to try desperate measures despite not having any idea what to do (thus making the situation worse).

On the other hand, I'd think if they both had proper survival skills, the lean, muscular guy can probably actually get himself out of the situation more easily since they can execute their knowledge better.

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We'll for starters im a 13 yr. Old male. I work out my abs,biceps,quads, and pectorals frequently.( due tro wrestling and krav maga) I currently have 17 pct. Bodyfat. I want to know how much longer it will take take to get a 6 pack on a normal diet and workIng out. My regular workout training is p90x and MMA extreme. Some one help me out? What's some foods that will help burn fat? Cain

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