Manual Wheelchairs

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Traditional manual wheelchairs have consisted of tubular construction, sling seats and backs suspended from a horizontal and vertical cross brace folding mechanism, front casters and rear drive wheels with hand rims mounted on the rear vertical frame (Brubaker 1986). Advances in wheelchair technology have made some improvements on this design. Some of these advances include rear wheel axle adjustment; using materials such as aluminum, carbon fiber and titanium to reduce the weight and size of the wheelchair, handrim technology reduction in vibrations transmitted to the user, transportability and transportation and improved propulsion methods (DiGiovine et al. 2006).