Abstract
In this study, the restrictive effect of flexible lumbosacral corset, Jewett orthesis and molded plastic thoracolumbosacral orthosis (TLSO) for lumbosacral motion on sagital plane of 12 healthy men whose ages ranged between 23 and 41 (average 37.2) was investigated. Lateral roentgenograms were taken in standing position without external immobilization, and in forward bending position without external immobilization, subsequently with flexible lumbosacral corset, Jewett orthesis and TLSO. The angle between L4 and S1 was measured on all roentgenograms. The range of lumbosacral motion without external immobilization was average 33.58±50.88 degrees. With flexible lumbosacral corset, the range of lumbosacral motion was 30.33±6.54 degrees and the restriction of the lumbosacral motion was average 3.25±2.9 degrees; with Jewett orthosis, the range of lumbosacral motion was 24.50±6.63 degrees and the restriction of the lumbosacral motion was average 9.08±4.14 degrees; with TLSO the range of lumbosacral motion was 18.42±5.91 degrees and the restriction of the lumbosacral motion was average 15.17±5.41 degrees. This study showed that, spinal corset orthesis restricted the lumbosacral motion (p>0.01). The TLSO was the most effective orthesis for limitation of intervertebral mobility in the lumbosacral spine followed by Jewett orthosis and flexible lumbosacral corset.
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