
Introduction
Lumbar sacral orthoses (LSOs) are commonly prescribed treatment devices for spinal disorders such as low back pain. Typically, the goal of an LSO is to unload vertebrae by providing compression on the abdominal area or to limit undesirable motion during the healing period.1,2Â The amount of lumbar lordosis recommended for LSO designs varies depending on diagnosis and patient presentation. However, many of the protocols for the optimal degree of lumbar lordosis for a specific orthotic intervention were developed years ago. In treating cases of the same diagnosis, the recommendation for the degree of lumbar lordosis with which an orthosis is designed often differs.1,2Â Furthermore, there is insufficient literature comparing the difference in effectiveness and clinical outcomes of orthoses with varying degrees of lumbar lordosis.
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