Weighing an individual that is not able to simply step onto a scale requires adaptations.
Most rehabilitation centers will have equipment that is able to weigh a disabled patient. These include patient lifts that measure the load on them, and wheelchair scales that can be driven upon.
Accurately weighing an individual using a wheelchair scale requires weighing the wheelchair with the individual in it, and then again with the individual taken out of it. The weight of the individual is the difference between these two measurements.
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