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The study's aim is to assess the sitting and dynamic postural control of stability of wheelchair users who have compromised postural control and risk of ulcers while using individually adjusted multi-cell air cushions with and without individual cell-locking function and variable depths.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Cushion | Experimental | Three seating conditons (Quadtro Select 10cm, Starlock 10cm, and Starlock 13cm) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Wheelchair air cushion | Device | Reaching tasks during each of the seating conditions decribed in the Arms section. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Reach distance | the linear distance from the start position to the furthest reach point during the trial | Day 1 |
| Accuracy | the ratio of the minimum distance (straight line) from the start position to the total distance traveled until the furthest reach point | Day 1 |
| Time | length of time from the start position to furthest reached point | Day 1 |
| total path length of Center of Pressure | Day 1 | |
| mean velocity of Center of Pressure | Day 1 | |
| pressure-distribution between the seating surface and the two foot Force-sensing arrays | Day 1 |
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Inclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| David F Rusaw, PhD | Jonkoping University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Jönköping University | Jönköping | 55111 | Sweden |
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The convenience sample of 15 individuals will each complete the test protocol under the 3 seating conditions in random order.
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Efforts will be taken to mask the conditions to the participants.
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