A brief, one-minute video describing how Zhang et al. personalize an exoskeleton for its user, decreasing the amount of effort required to use it. This material relates to a paper that appeared in the 23 June 2017, issue of Science, published by AAAS. The paper, by J. Zhang at Carnegie Mellon University in Pittsburgh, PA, and colleagues was titled, "Human-in-the-loop optimization of exoskeleton assistance during walking."
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