Observational study assesses muscle condition in LSS patients, indicating stenosis severity influences degeneration.
An increased number of stenotic levels were associated with significant paraspinal muscle atrophy and fat infiltration, whereas the anatomical stenosis level showed minimal impact on muscle condition. Stenosis severity, rather than its location, may primarily contribute to paraspinal muscle degeneration in LSS patients.
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Kunimoto et al. (2026) studied this question.
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