Here's the link for the paper: Nature: Reducing the energy cost of human walking using an unpowered exoskeleton http://www.nature.com/nature/journal/vaop/ncurr

Here's the link for the paper: Nature: Reducing the energy cost of human walking using an unpowered exoskeleton http://www.nature.com/nature/journal/vaop/ncurrent/full/nature14288.html http://www.nature.com/nature/journal/vaop/ncurrent/full/natu...