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As far as I know, the fastest movements and possibly the biggest acceleration are due to eye saccades, that is rapid movements of the eye as it scans the environment. Those are involuntary and have to do with perception. Wikipedia quotes the speed at 900 degrees/second (2.5 revolutions, for comparison with ADAM). As for acceleration, "Unsupervised ...


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My arm is ~84 cm long. Earlier this evening, I timed myself doing arm swings at 20 circles/(10 seconds). That's 2 revs/second. With a 84 cm radius, my fingertips were therefore moving 2*[2*pi*(0.84m)]/sec ~ 10 m/s. Centripetal acceleration = v^2/radius. (7.54m/s)^2/(0.6m) ~ 120 m/s^2 ==> 12 G. My fingertips were being accelerated back to my ...


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It sounds like you are making a good effort to get back in shape. Quitting smoking was a good start. You say that you have seen the orthopedist, but you may also want to have a general checkup and discuss your health with your doctor - you know what they say about checking with your doctor before starting any exercise program. Given that you have joint ...


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i ve been building up my pace for 6 months, i started at 34 mins for 5k. i am 39 and weighed 217lb when i started. I read a lot of stuff from the web,(there is loads of it) took on board what i thought was relevant and now i can run it in 25 mins and weigh 185lbs. The most improtant thing is to keep it up, you don t want to be trying to do your best run ...


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I would try something like Couch to 5k or hiring a trainer at a gym. You need a lot of guidance. Progressing from not-fit to a serious routine takes a lot of knowledge and a willingness to pay for your mistakes in injury.


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Walking and Weightlifting Walking is a fine starting point for overall fitness, and to combat the problems associated with sitting at a desk for long periods. If you're completely new, just about ANY sort of resistance training is going to get you results. Once you've been at it for a few dozen sessions, you can start looking into more complete lifting ...



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