The main function of a wheelchair is to provide mobility assistance to people who have difficulty walking due to injury, illness, disability, or age-related health conditions. Wheelchairs come in various types, differing by propulsion method, mechanisms of control, and technology used. The anatomy of a wheelchair consists of several parts, including the frame, wheels, armrests, footrests, and brakes. The frame is the main component of a wheelchair, connecting all the other components together for a durable structure that can last a long time. The rear wheels are used for manual propulsion of the wheelchair, while the caster wheels are located in front of the rear wheels and are much smaller in size. The brakes are located on the large rear wheels and they are typically located on the front of the wheel next to the bottom of the seat. It allows the wheels to be locked in place to prevent the wheelchair from moving. The armrests are secured to the frame in two places and are designed to be very sturdy. There are two types of armrests: Full length and Desk length. The footrests can be adjusted to accommodate different lengths. There are two kinds of footrest: Swing-Away Footrest and Fixed Footrest.
