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KMID : 1123420170110010021
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Journal of Korean Society for Prosthetics and Orthotics
2017 Volume.11 No. 1 p.21 ~ p.26
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The Effect of Postural Support Device on Wheelchair Users’ Maintenance of Sitting Posture and Distribution of Buttock Pressure
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Sim Woo-Sob
Seong Woo-Sung
Yang Hee-Seung
Yang Hae-Eun
Chung Hee-Sup
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Abstract
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Background: Postural support device (PSD) is to support posture by applying a seat-shaped device to a wheelchair or chair for the disabled with cerebral palsy (CP), spinal cord injury (SCI). This study examines the changes in seat-interface pressure and sitting posture using PSD in wheelchair seated SCI patients.
Methods: Five SCI patients, who have been diagnosed as quadriplegia or paraplegia were included. This study measured buttock pressure using Body Pressure Mapping Systemⓡ (BPMS) and analyzed their sitting posture with 2 digital cameras and Dartfish programⓡ.
Result: After they used a PSD, Contact area significantly increased from 160.4±31.5 cm2 to 236.2±35.5 cm2 and hip flexion angle decreased from 106.9±6.7o to 98.8±4.6o (p＜0.05) and head tilt angle decreased from ?7.5±4.9o to ?3.0±3.9o (p＜0.05).
Conclusion: When a PSD was applied, contact area increased. It mean that large contact area decreased maximum pressure on a specific points by dispersing buttock pressure properly. Tilt angle of head came close to a correct sitting posture. Application of a PSD has a positive effect on wheelchair sitting posture and prevention of pressure ulcer for the spinal cord injury patients.
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KEYWORD
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Seated position, Pressure, Spinal code injury
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