Subgroups of lumbo-pelvic flexion kinematics are present in people with and without persistent low back pain

BMC Musculoskeletal Disorders
Robert A LairdPeter Kent

Abstract

Movement dysfunctions have been associated with persistent low back pain (LBP) but optimal treatment remains unclear. One possibility is that subgroups of persistent LBP patients have differing movement characteristics and therefore different responses to interventions. This study examined if there were patterns of flexion-related lumbo-pelvic kinematic and EMG parameters that might define subgroups of movement. This was a cross-sectional, observational study of 126 people without any history of significant LBP and 140 people with persistent LBP (n = 266). Wireless motion and surface EMG sensors collected lumbo-pelvic data on flexion parameters (range of motion (ROM) of trunk, lumbar, and pelvis), speed, sequence coordination and timing, and EMG extensor muscle activity in forward bending (flexion relaxation)), and sitting parameters (relative position, pelvic tilt range and tilt ratio). Latent class analysis was used to identify patterns in these parameters. Four subgroups with high probabilities of membership were found (mean 94.9%, SD10.1%). Subgroup 1 (n = 133 people, 26% LBP) had the greatest range of trunk flexion, fastest movement, full flexion relaxation, and synchronous lumbar versus pelvic movement. Subgroup 2 (n = 73...Continue Reading

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Citations

Dec 28, 2019·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Guillaume ChristeJulien Favre
May 28, 2019·BMC Musculoskeletal Disorders·Mehul J DesaiRod S Taylor
Oct 30, 2020·The Journal of Orthopaedic and Sports Physical Therapy·Kevin WernliPeter Kent
Apr 28, 2021·Clinical Biomechanics·Stefan F L SeerdenBenedicte Vanwanseele
May 25, 2021·PloS One·Hiroki SaitoHiroshi Takasaki
May 18, 2021·Archives of Physiotherapy·Guillaume ChristeClaude Pichonnaz
Sep 24, 2021·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Anaïs GouteronStéphane Genevay

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