In this article, an extensive review of the presently available electric wheelchair design and its impact on the life of disabled individuals is presented. Patients with mobility impairments are well recognized for their quality of life and physical activity, it is very important to encourage the active lifestyle of these people to live successfully in society. The design of the mechanical components used in the wheelchair play a critical role in providing good physical activity for impaired people and their active social participation. This review article focuses on the mechanical aspects of the wheeled mobility devices and their main components which help the disabled individuals to use them effectively; such as propulsion systems, assistive technologies, overuse injuries, and their modifications. The role of design adjustments that enhance physical activity and improve the quality of life has also been evaluated.

Keywords : Electric Wheelchair, Disability, Modification, over injuries, Joystick.