Passive Wearables for Improving Human Function and Movement

Has anyone ever looked into making some passive wearables to reduce metabolic costs/improve strength? CMU developed this lower-limb exoskeleton about a year ago that's just a spring and some gears attached to the ankle, and it's capable of reducing up to 10% of our total effort while walking (i'll post links below). 

How would we go about creating a more powerful version, with/without power? I'm thinking of running more bands along the ankle in parallel with the original, but I'm not so sure that'd be the best option.

Here's the links/pictures for it.


  • edited March 2016
    The main problem is powering the wearables, after awhile the spring leg would get exusting to wear and use. There are some clever ways to power devices, if I were you that's what I would look into.
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