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A wearable machine used to compensate for physical and motor deficiencies or aid humans when doing physical work. Powered by a system of electric motors, pneumatics, levers, and hydraulics, there are two categories of exoskeleton devices: active and passive. Active exoskeletons require motors to aid the user, and passive ones use artificial muscles and springs to store the energy exerted by the user's body movement.
By amplifying human movement, exoskeletons allow people performing repetitive motions and physical tasks or those with mobility issues to carry out tasks with increased precision, strength, and endurance. Newer exoskeletons use softer materials and active clothes, avoiding metal frames and increasing freedom of movement for the wearer. Recent developments have combined exoskeletons with AI, allowing for more accurate and predictive movement support.