Wheelchair axle position effect on start-up propulsion performance of persons with tetraplegia
| Autor: | Orestes Freixes, Marcelo Andres Gatti, Lisandro Olmos, Marcos Jose Crespo, Ivan Federico Rubel, Sergio Anibal Fernández |
|---|---|
| Rok vydání: | 2010 |
| Předmět: |
Adult
Male medicine.medical_specialty Adolescent Acceleration Efficiency Quadriplegia Wheelchair propulsion Young Adult Wheelchair Physical medicine and rehabilitation medicine Humans Range of Motion Articular Tetraplegia Spinal Cord Injuries Mathematics business.industry Rehabilitation Electrical engineering Stroke frequency Equipment Design Middle Aged medicine.disease Start up Biomechanical Phenomena Axle Wheelchairs business Range of motion |
| Zdroj: | Journal of rehabilitation research and development. 47(7) |
| ISSN: | 1938-1352 |
| Popis: | This repeated measures study assessed the changes in speed, acceleration, stroke freq uency, and shoulder range of motion (ROM) associated with dif ferent wheelchair axle posi - tions in peop le with chroni c cerv ical (C) 6 tetraplegia. Our main hypot hesis is that t he up and forward axle position is the most conducive to wheelchair propulsion, increasing speed and acceleration with a lower stroke fr equency. In a chronic spinal cord injury (SCI) unit, we m easured the spee d, acceleration, stroke frequ ency, and sho ulder ROM in four dif ferent axle positions in eight subjects with C6 SCI. We analyzed two start- up strokes over a smooth, level vinyl floor in the Motion Analy- sis Laboratory (Fl eni Instit ute; Esco bar, A rgentina). We ana - lyzed data fo r sign ificant stat istical dif ferences using the Wilco xon si gned rank t est and t he Friedm an t est. O ur stu dy showed that the up and forw ard axl e position resu lts in an increase of speed and acceleration, with a higher stroke fre - quency and a decreased s houlder ROM. In add ition, th e down and backward axle position results i n th e lowest sp eed and acceleration, with a lower stroke frequency and an increased shoulder ROM. The up and forward axle position was the most conducive to stroke compared with other positions we analyzed. |
| Databáze: | OpenAIRE |
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