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- W1987179354 abstract "Tam EW, Mak AF, Lam WN, Evans JH, Chow YY. Pelvic movement and interface pressure distribution during manual wheelchair propulsion. Arch Phys Med Rehabil 2003;84:1466–72. Objective To investigate the movement of the ischial tuberosities and the redistribution of interface pressure during manual wheelchair propulsion. Design Measurement of ischial tuberosity positions and comparison with corresponding position of the zones of peak pressure by using independent samples t tests. Analysis of variance was used to compare peak and average pressures under static and dynamic conditions. Setting Human locomotion laboratory. Participants Ten subjects with spinal cord injury (SCI) and 10 individuals with no disabilities. Interventions Manual wheelchair propulsion on a stationary wheelchair ergometer at the subject’s maximum propulsion speed. Main outcome measures Seat interface pressure and the 3-dimensional position of the pelvis were measured with a pressure mat and an optical motion analysis system. Results During wheelchair sprinting, the ischia were located at 19.2±11.7mm behind the corresponding peak pressure locations. The anteroposterior rocking of the pelvis was 11.2° and 5.2° for the normal and SCI group, respectively. The average interface pressure over the ischial tuberosity area was lower under dynamic conditions. It was also observed in the SCI group that there was a concentration of high-pressure gradients around the peak pressure areas of the buttock during dynamic propulsion. Conclusion Peak pressure locations did not concur exactly with the ischial tuberosities during propulsion. The movements of the ischial bone and the cyclic loading imposed on the tissue underneath the ischial tuberosities during dynamic conditions may have implications for the etiology of decubitus ulcers." @default.
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- W1987179354 date "2003-10-01" @default.
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- W1987179354 title "Pelvic movement and interface pressure distribution during manual wheelchair propulsion11No commercial party having a direct financial interest in the results of the research supporting this article has or will confer a benefit upon the author(s) or upon any organization with which the author(s) is/are associated." @default.
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- W1987179354 doi "https://doi.org/10.1016/s0003-9993(03)00269-7" @default.
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