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Benefits of Electric Wheelchairs Electric wheelchairs can help improve mobility for those with weak strength and endurance. They also offer improved postural support, and can help people reach items on counters or shelves which would otherwise be beyond their reach. Most power wheelchairs use an armrest-mounted joystick that is attached to the armrest, which controls direction and speed. There are alternatives, such as sip-and-puff controllers, which work by blowing air on a sensor. They are