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Self Propelled Wheelchair With Attendant Brakes Self-propelled wheelchairs with attendant brakes are an ideal choice for those who require extra stability and support while traveling. These chairs come with rear drive wheels as well as an array of add-ons such as swing away leg rests or flip up armrests. Unfortunately there have been few biomechanical studies of the manoeuvring and turning of propelled wheelchairs with attendants. This is an area that requires further study. Seat wid