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Monster abs - Arvind Narayanan's journal [entries|archive|friends|userinfo]

Monster abs [Jul. 11th, 2006|08:27 am]
Arvind Narayanan
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Yesterday I tried hanging crunches (hanging upside down from a bar; you might have seen Ethan Hawke do them in Gattaca). They were surprisingly easy, so next time I'm going to try them with a weight.

Less than two years back I was so out of shape I had trouble doing a single sit-up; it's been a rewarding progression through harder and harder ab exercises (sit-ups, crunches, weighted curls, decline crunches, weighted decline crunches, suspended bench sit-ups, hanging cruches, weighted hanging crunches) which have been a proxy for my overall progress. Of course, I've reconciled myself to the fact that no matter how strong I get, I'm always going to look like a stick. Poor genetics or something I guess.

I don't understand the physics of how it is possible to hang from a bar with your legs (from the knee below) on one side and the rest of your body on the other. I hope I can find out without cracking my skull :-)
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[User Picture]From: medryn
2006-07-11 03:38 pm (UTC)
Where did you find a good setup for hanging crunches? Did you do them with a single bar, or with a second bar to tuck your feet under? (So that your knees are over one bar and your ankles are under the other.)
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[User Picture]From: arvindn
2006-07-11 04:06 pm (UTC)
That's the weird thing: I never tried them so far because I assumed it wouldn't be possible without a second bar, but yesterday I tried it with a single bar and it worked.
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From: (Anonymous)
2007-10-10 01:34 pm (UTC)

Reason why it works.

You can hang from a single bar with just your shins and feet over one side and the rest of your body over the other simply based on the properties of a lever and balance. All upper body weight is basically almost under the bar or about an inch or so past. Your feet stick out like 1.5 feet which makes them balance a lot of the weight. Plus your legs form a slight hook which adds pressure and grip to the bar.
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