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Choosing a Self Propelled Wheelchair With Suspension Self-propelled wheelchairs promote independence by allowing users to control their the speed, direction and destination. They also boost upper body strength and cardiovascular health. Wheelchair suspension can help to cushion shocks that are particularly harsh like falls off thresholds or curbs, and help reduce vibrations transferred to the MWU. In-wheel suspension is a viable alternative to front-caster suspension. Seat to Fl