Annals of Rehabilitation Medicine

"Sung Hyun Kim"

Original Articles

Pain & Musculoskeletal rehabilitation

The Association Between Sagittal Plane Alignment and Disc Space Narrowing of Lumbar Spine in Farmers: Ki Hoon Park, Sora Baek, Eun Kyoung Kang, Hee-won Park, Gowun Kim, Sung Hyun Kim; Ann Rehabil Med 2021;45(4):294-303. Published online August 30, 2021; DOI: https://doi.org/10.5535/arm.21037

Abstract
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Objective
To investigate whether lumbar lordosis (LL) and lumbar segmental lordosis (LSL) are related to sex, age, low back pain (LBP), and lumbar disc space narrowing (DSN).
Methods
A total of 569 farmers were recruited. In lateral spine radiograph, LL (L1–L5) and LSL (L1, L2, L3, L4, and L5) were measured using Cobb’s method. The differences in LSL values (ΔLSL) according to the presence or absence of a DSN were calculated as LSL_DSN – LSL_noDSN for each DSN level.
Results
In male, the lateral spine radiograph showed significantly greater L4-LSL and L5-LSL and smaller L1-LSL and L2-LSL compared to female. LLs in the 50–59 and ≥60 years age groups were significantly smaller compared to those in the <50 years age group. In subjects with LBP, LL and L4-LSL were significantly smaller than in those without. The ΔLSLs at the disc level with DSN showed the greatest decrease: L1-ΔLSL (Δ-3.99°), L2-ΔLSL (Δ-3.31°), L3-ΔLSL (Δ-2.87°), L4-ΔLSL (Δ-3.31°), and L5-ΔLSL (Δ-4.44°) in L1/2, L2/3, L3/4, L4/5, and L5/S1 DSN, respectively. Conversely, distant ΔLSLs were inversely increased: L1-LSL (Δ0.75°) with L4/5 DSN and L2-LSL (Δ0.94°) with L5/S1 DSN.
Conclusion
Sagittal plane alignment was significantly associated with sex, age, LBP, and DSN. LSLs around the levels of DSN were decreased, and there was compensational increase of LSL distant to the DSN to maintain the overall LL.

Citations

Citations to this article as recorded by

Minimally invasive biportal endoscopic spinal surgery for central canal stenosis in low-grade degenerative lumbar spondylolisthesis: clinical outcomes and implications: a retrospective observational study
Wongthawat Liawrungrueang, Ho-Jin Lee, Sang Bum Kim, Sang Hyeok Lee, Sang Shin Lee, Ju-Eun Kim
Asian Spine Journal.2025; 19(2): 242. CrossRef
MRI study on the influence of lumbosacral vertebral body and disc factors on lumbar lordosis in children
Hong Ren, Nan Lin, Peng Zhao, Huizhi Han, Hui Zhao, Lianxiang Xiao, Mimi Tian, Xiangtao Lin
European Spine Journal.2024; 33(12): 4449. CrossRef
Risk Factors for Musculoskeletal Disorders in Korean Farmers: Survey on Occupational Diseases in 2020 and 2022
Jinheum Kim, Kanwoo Youn, Jinwoo Park
Healthcare.2024; 12(20): 2026. CrossRef
Imaging observation of intervertebral disc degeneration in patients with old thoracolumbar fracture-related kyphotic deformity
Xi-long Cui, Ao Ding, Wen Yin, Wan-mei Yang, Wei Zhang, Hao Wu, Ji-shi Jiang, Yun-lei Zhai, Zi-kai Hua, Hai-yang Yu
Scientific Reports.2024;[Epub] CrossRef
Association Between Ergonomic Burden Assessed Using 20-Item Agricultural Work-Related Ergonomic Risk Questionnaire and Shoulder, Low Back, and Leg Pain in Korean Farmers
Sora Baek, Jintae Park, Eun Kyoung Kang, Gowun Kim, Hyocher Kim, Hee-Won Park
Journal of Agromedicine.2023; 28(3): 532. CrossRef
The Relationship Between Low Back Pain and Sagittal Spinal Alignment and Back Muscle Mass in Korean Fishery Workers
Minjung Kook, Insuh Kim, Jeongyeon Seo, Hyundong Kim, Heesung Nam, Nami Han
Annals of Rehabilitation Medicine.2023; 47(6): 459. CrossRef

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Clinical Usefulness of X-Ray Findings for Non-specific Low Back Pain in Korean Farmers: FARM Study: Eun Kyoung Kang, Hee-won Park, Sung Hyun Kim, Sora Baek; Ann Rehabil Med 2017;41(5):808-815. Published online October 31, 2017; DOI: https://doi.org/10.5535/arm.2017.41.5.808

Abstract
PDF

Objective

To elucidate the association between non-specific low back pain (NSLBP) and spinal X-ray findings in Korean farmers: Farmers' Cohort for Agricultural Work-Related Musculoskeletal disorders (FARM) study.

Methods

A total of 835 farmers (391 males, 444 females; mean age, 56.6±7.4 years) without red-flag signs of specific LBP were recruited. Presence of LBP more than one week or once a month with more than moderate degree of pain severity during the last year was assessed with a binary questionnaire (yes or no). Spinal degenerative changes were classified into disc height change (DHC) of L4-5 and L5-S1 (grade 0–5) and osteophyte formation of L5 (grade 0–5) by a radiologist based on X-ray findings. Additionally, spondylolisthesis, scoliosis and spondylolysis were assessed.

Results

General prevalence of NSLBP was 40.7%, revealing a higher incidence of NSLBP in female and younger farmers compared to male and older farmers (χ²=23.3, p<0.001; χ²=4.54, p<05, respectively). Among X-ray findings, DHC (L5–S1) grade 4 revealed significantly higher relative risk of NSLBP compared to grade 0 (odds ratio, 5.00; 95% confidence interval, 2.05–12.20) after adjusting age and sex, while other X-ray findings were not associated with NSLBP.

Conclusion

The NSLBP of Korean farmers was significantly related to lumbar disc degenerative changes, suggesting clinical usefulness of X-ray findings in assessing LBP in farmers.

Citations

Citations to this article as recorded by

Musculoskeletal Disorders in Agriculture: A Review from Web of Science Core Collection
Manuel Barneo-Alcántara, Manuel Díaz-Pérez, Marta Gómez-Galán, Ángel Carreño-Ortega, Ángel-Jesús Callejón-Ferre
Agronomy.2021; 11(10): 2017. CrossRef
Plain lumbosacral X-rays for low back pain: Findings correlate with clinical presentation in primary care settings
Mohammed AlAteeq, AbdelelahA Alseraihi, AbdulazizA Alhussaini, SultanA Binhasan, EmadA Ahmari
Journal of Family Medicine and Primary Care.2020; 9(12): 6115. CrossRef