Relationship between Lumbar Disc Degeneration and Back Muscle Degeneration (요추간판 퇴행과 등 근육 변성의 관계)

Kyung-Sub Song (송경섭); Seung-Hwan Lee (이승환); Byeong-Mun Park (박병문); Su-Keon Lee (이수건); 이모세; Ji-Ung Yeom (염지웅); Chang-Yk Lee (이창욱); Hwan-Mo Lee (이환모)

Relationship between Lumbar Disc Degeneration and Back Muscle Degeneration

Journal of Korean Society of Spine Surgery
Abbr : J Kor Spine Sur
2018, 25(2), pp.47-53
Publisher : Korean Society Of Spine Surgery
Research Area : Medicine and Pharmacy > Orthopedic Surgery

Kyung-Sub Song ¹, Seung-Hwan Lee ¹, Byeong-Mun Park ², Su-Keon Lee ¹, 이모세 ¹, Ji-Ung Yeom ¹, Chang-Yk Lee ¹, Hwan-Mo Lee ³

¹광명성애병원 정형외과
²광명 성애병원 정형외과
³연세대학교 의과대학 정형외과학교실

Accredited

ABSTRACT

Study Design: Retrospective evaluation. Objectives: To determine the relationship between lumbar disc degeneration and back muscle degeneration. Summary of Literature Review: In the degenerative cascade of the spine described by Kirkaldy-Willis, degeneration of the disc and of the facet joint co-occur with aging. However, the muscles of the back are not included in this model. Several studies have reported significant correlations between back muscle degeneration and facet joint arthritis. The purpose of our study was to evaluate relationships between lumbar disc degeneration and fatty degeneration of the back muscles. Materials and Methods: In this study, 65 patients over the age of 50 years who had undergone lumbar spine MRI in our orthopaedic clinic were recruited. Fatty degeneration of the back muscles was qualitatively graded from I to III by the degree of the fat signal in the muscle layer, including both the multifidus and erector spinae. Lumbar disc degeneration was graded from I to V according to the Pfirrmann grade. Correlations between the back muscle degeneration grade and radiological parameters were analyzed. Results: The degeneration grade of the multifidus correlated positively with age and the grade of disc degeneration. Correlations with other radiologic parameters were not significant. The degeneration grade of the erector spinae correlated positively with age. Other radiologic parameters were not significant. Conclusions: There was a significant correlation between lumbar disc degeneration and multifidus degeneration. Erector spinae degeneration was correlated with age, but not with lumbar disc degeneration. The degenerative cascade of the spine was accompanied by fatty changes of the multifidus with aging.

KEYWORDS

Back muscle degeneration, Lumbar disc degeneration, MRI

Citation status

* References for papers published after 2023 are currently being built.

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