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The study of pressure distribution in sitting position on cushions for patient with SCI

Pressure sores on the patient's sitting surface are a major problem for patients with spinal cord injuries (SCI). We measured the buttock pressure distribution on five kinds of wheelchair cushions using the Tekscan pressure measurement system. We calculated total weight, high pressure area, maximum and average pressure to evaluate the function of the cushions. As for pressure distribution, the air cushion is the best of the cushions. In the air cushion, the maximum pressure is influenced by the total weight, contact area and the quantity of air in the cushion.