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KMID : 1211620210160040001
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Journal of the Korean Society of Physical Medicine
2021 Volume.16 No. 4 p.1 ~ p.11
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Effects of Flexible and Semirigid Lumbosacral Orthosis on Lower-Limb Joint Angles during Gait in Patients with Chronic Low Back Pain: A Cross-Sectional Study
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Im Sang-Cheol
Kim Kyoung
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Abstract
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PURPOSE: Lumbosacral orthosis (LSO) is often used to help manage low back pain because it is economical and effective. This study examined the effects of flexible and semirigid LSOs on the lower-limb joint angles in walking in patients with chronic low back pain.
METHODS: The effects of the lumbosacral orthosis during gait on the sagittal, frontal, horizontal planes and the change in lower limb angle were examined in fourteen chronic low back pain patients who walked without wearing a LSO, wearing a flexible LSO, and wearing a semirigid LSO in random order for three-dimensional motion analysis.
RESULTS: The flexion of the hip and knee joints decreased more significantly during walking with an LSO than without one. The genu valgum angles were reduced in the stance phase more during walking with an LSO than without one. The external rotation of the knee joints in the stance phase increased more during walking with an LSO than without one.
CONCLUSION: The angles of the lower-limb joints of patients with chronic low back pain are affected by walking with an LSO, and the effects increased as the LSO stiffened.
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KEYWORD
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Gait, Kinematics, Low back pain, Lumbosacral orthosis, Motion analysis
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