I've noticed that I spend far too much time at the PC, and have started jogging in-between annos. I noticed that, apart from the usual fatigue, my biceps were a little tired. This, I reasoned, was because I am holding my arms at a bent angle, and caused some kind of energy expenditure.
I experimented with different ways to hold my arms, and found that I could run quite easily if I held my hands to my shoulders, and moved my elbows to balance, apart from the fact that it was more difficult to hold my arms at such an angle.
So, I think that some kind of elasticated link between shoulder and wrist could take the weight of the arms, and save energy.-- Ling, Feb 01 2006 US patent 4,337,938 http://patft.uspto....&Query=PN%2F4337938like this? :"A runner's aid increases the endurance of a runner by supporting the weight of his arms as he runs." [xaviergisz, Feb 01 2006] [xaviergisz], like that, except my one's a different colour.-- Ling, Feb 01 2006 I'm fascinated by devices that allow you to run faster or more efficiently (pictures wheeled frame with elastic person supports, allowing you to take huge moonwalking strides) - they won't beat a bicycle, say, but are cool and cyborgish. But saving energy while exercising? So you don't accidentally get fit or something?-- spidermother, Feb 01 2006 I've never before noticed that people wearing slings (either singly or doubly) or straitjackets for that matter are better marathoners.-- jurist, Feb 01 2006 Watching the 2004 Olympics, I remember a Chinese marathon runner who didn't move his arms at all.
It was like that Seinfeld episode.-- Cuit_au_Four, Sep 24 2006 random, halfbakery