Spine
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Comparative Study
Comparison of lumbopelvic rhythm and flexion-relaxation response between 2 different low back pain subtypes.
A cross-sectional study to compare the kinematics and muscle activities during trunk flexion and return task in people with and without low back pain (LBP). ⋯ These results show that the lumbopelvic rhythms are different among healthy subjects and patients assigned to 2 specific LBP subgroups. These results provide information on the FR response of the erector spinae muscle.
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A retrospective review. ⋯ These results support the use of high-dose definitive radiotherapy for patients with medically inoperable or otherwise unresected, mobile spine or sacrococcygeal chordomas.
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Comparative Study
Comparison of radicular symptoms caused by lumbar disc herniation and lumbar spinal stenosis in the elderly.
Comparative study using combined data from 2 prospective cohort studies. ⋯ 3.
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An in vitro biomechanical study of 3 lumbosacral fixation techniques in human cadaveric lumbar-pelvic spine models. ⋯ The 4-rod technique achieved stable biomechanical effects in lumbosacral fixation. At the L5-S1 junction, the 4-rod technique demonstrated better stability than the constructs using S1 screws or S1 screws plus iliac screws..