Powered exoskeletons are among the most sci-fi of modern prosthetics, at least in terms of appearance. Worn as suits, these exoskeletons – which have a power supply that aid in limb movement – can help assist and protect soldiers, construction workers and others with dangerous jobs, enabling them to perform feats of strength that aren’t typically possible. Calling to mind Iron Man (without the jet pack and all the fancy weapons, of course), the suits are mostly still theoretical, but some applications have already been carried out. In Japan, ‘Hybrid Assistive Limb’ suits are commercially available to medical professionals to help them lift and carry elderly patients.
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