ArticleEuropean spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society2018
Effects of mirror placement on sagittal alignment of the spine during acquisition of full-spine standing X-Rays.
Article in 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, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- The effect of pelvic incidence on age-related changes in spinopelvic sagittal alignment in older individuals: a longitudinal study for 10 years.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 · 2026Article
- Thermal profile of the spine for the assessment of bone metabolic disorders.Scientific reports · 2025Article
- What Are the Medium-term Reciprocal Changes in Cervical Sagittal Alignment After Posterior Correction for Lenke 5C Adolescent Idiopathic Scoliosis?Clinical orthopaedics and related research · 2025Article
- Laminectomy and fusion better maintains horizontal gaze than laminoplasty in cervical spondylotic myelopathy.North American Spine Society journal · 2025Article
- Impact of the sagittal spinopelvic and coronal lower extremity alignments on clinical outcomes after medial unicompartmental knee arthroplasty.Journal of orthopaedics · 2024Article
- Implications of the diagnosis of locomotive syndrome stage 3 for long-term care.Osteoporosis and sarcopenia · 2024Article
- Change in Line of Sight after Corrective Surgery of Adult Spinal Deformity Patients: A 2-Year Follow-up.Asian spine journal · 2023Article
- How Is Degenerative Lumbar Scoliosis Associated with Spinopelvic and Lower-Extremity Alignments in the Elderly.Asian spine journal · 2023Article
- Correlation and Differences in Lumbopelvic Sagittal Alignment Parameters Between Lumbar Radiographs and Magnetic Resonance Images.Global spine journal · 2022Article
- Impact of Habitual Exercise on Locomotive Function of Middle-aged and Elderly Volunteers: A Longitudinal Study.Progress in rehabilitation medicine · 2021Article
- Deterioration of sagittal spinal alignment with age originates from the pelvis not the lumbar spine: a 4-year longitudinal cohort study.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 · 2020Article
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11 authors.
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Abstract
purposeThe line of sight when whole-spine radiographs are taken has not been defined. In our 2012 health screening study (TOEI study), whole-spine radiographs were taken with the volunteers in the most relaxed position and with a horizontal gaze. However, in the TOEI 2014 study, a mirror was placed in front of their faces to unify their line of sight. To our knowledge, there are no reports on how the sagittal alignment changes when radiographs are taken using a mirror. The purpose of this study was to investigate how mirror placement impacted sagittal spinal alignment in whole-spine radiographs taken while standing.
methodsVolunteers who participated in both the TOEI 2012 and 2014 studies were recruited. Pelvic tilt (PT), lumbar lordosis (LL), thoracic kyphosis (TK), cervical lordosis (CL), slope of McGregor's line (McGS), and C7 sagittal vertical axis (C7 SVA) were examined using software.
resultsThree hundred fifty-four volunteers (142 males, 212 females, average age in 2012: 72 years) whose radiographs were evaluated in both previous studies were enrolled. The average parameters of 2012 and 2014 were: PT: 18° and 21° (P < 0.01), LL: 40° and 40°, TK: 34° and 34°, CL: 13° and 23° (P < 0.01), McGS: 2° ± 11° and - 9° ± 8° (P < 0.01), and C7 SVA: 46 and 23 mm (P < 0.01), respectively. In the Levene test, the McGS variation in 2014 [95% confidence interval (CI) 0.9-3.4] was significantly smaller than that in 2012 (95% CI - 9.7 to - 8.0, P < 0.01).
conclusionThe smaller McGS variation in the TOEI 2014 study suggested that mirror placement could standardize the head's position. These results showed that the mirror placement retroflexed cervical alignment and caused the head to lean backward. It is important that a mirror is placed to unify the line of sight.
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