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A quadruped walker, the General Electric Walking truck, on display at the U.S. Army Transportation Museum. A walking vehicle is a vehicle that moves on legs rather than wheels or tracks. Walking vehicles have been constructed with anywhere from one to more than eight legs.
ReWalk is a commercial bionic walking assistance system that uses powered leg attachments to enable paraplegics to stand upright, walk and climb stairs. [1] [2] The system is powered by a backpack battery, and is controlled by a simple wrist-mounted remote which detects and enhances the user's movements. [3]
A different approach to the walker is the rollator, also called wheeled walker, invented by the Swede Aina Wifalk in 1978. Wifalk had polio . [ 9 ] [ 10 ] Although originally a brand name, "rollator" has become a genericized trademark for wheeled walkers in many countries, and is also the most common type of walker in several European countries.
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From fossil evidence and hypotheses state that upright posture was a quintessential reaction to changes in environment and competition. Due to the more wooded barren savannahs of northern Africa, O. tugenensis and australopiths began to change, which is evident in morphological data accumulated from the remains of the different species. [ 7 ]
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