R LeclaireFrançois BlierLuc FortinRoland Proulx2026-03-222026-03-22199710.1097/00007632-199701010-00011https://doi.org/10.1097/00007632-199701010-00011https://andeanlibrary.org/handle/123456789/44080Citaciones: 152The authors conclude that both functional disability scales accurately discriminated between these two groups of patients with low back pain of very different clinical and electromyographic severity.enMedicinePhysical therapyLow back painBack painOswestry Disability IndexCross-sectional studyElectromyographyPhysical medicine and rehabilitationA Cross-sectional Study Comparing the Oswestry and Roland-Morris Functional Disability Scales in Two Populations of Patients With Low Back Pain of Different Levels of Severityarticle