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Benefits of Electric Wheelchairs Electric wheelchairs can aid in improving mobility for those who have limited 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 have an attached joystick to the armrest, which controls speed and direction. There are alternatives, such as sip-and-puff controllers, which work by blowing on a sensor. They are more maneuverable