Maintenance of the paraspinal muscles may protect against radiographic knee osteoarthritis

Koichiro Azuma,1 Yasushi Sera,1 Takuma Shinjo,1 Michiyo Takayama,2 Eisuke Shiomi,2 Suketaka Momoshima,2 Yasushi Iwao,2 Hiroyuki Ishida,3 Hideo Matsumoto1 1Institute for Integrated Sports Medicine, Keio University School of Medicine, 2Center for Preventive Medicine, Keio University Hospital, Shinjuku...

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Autores principales:	Azuma K, Sera Y, Shinjo T, Takayama M, Shiomi E, Momoshima S, Iwao Y, Ishida H, Matsumoto H
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2017
Materias:	Radiographic knee osteoarthritis (RKOA) Paraspinal muscle cross sectional area Paraspinal muscle attenuation Lean body mass (LBM) Fat mass (FM) Diseases of the musculoskeletal system RC925-935
Acceso en línea:	https://doaj.org/article/7ccad037cdf94ae29ece3b4053a0b955
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spelling	oai:doaj.org-article:7ccad037cdf94ae29ece3b4053a0b9552021-12-02T01:08:50ZMaintenance of the paraspinal muscles may protect against radiographic knee osteoarthritis1179-156Xhttps://doaj.org/article/7ccad037cdf94ae29ece3b4053a0b9552017-08-01T00:00:00Zhttps://www.dovepress.com/maintenance-of-the-paraspinal-muscles-may-protect-against-radiographic-peer-reviewed-article-OARRRhttps://doaj.org/toc/1179-156XKoichiro Azuma,1 Yasushi Sera,1 Takuma Shinjo,1 Michiyo Takayama,2 Eisuke Shiomi,2 Suketaka Momoshima,2 Yasushi Iwao,2 Hiroyuki Ishida,3 Hideo Matsumoto1 1Institute for Integrated Sports Medicine, Keio University School of Medicine, 2Center for Preventive Medicine, Keio University Hospital, Shinjuku-ku, Tokyo, 3Sports Medicine Research Center, Keio University, Kohoku-ku, Yokohama, Kanagawa, Japan Background: Knee osteoarthritis (OA) is an increasing health problem worldwide. So far, only obesity and quadriceps weakness are identified as modifiable risk factors for knee OA. Core muscle strengthening is becoming increasingly popular among older adults because of its ability to enhance the activities of daily living during old age. This study investigated the associations of the size and quality of the abdominal trunk muscles with radiographic knee osteoarthritis (RKOA). Methods: From 2012 to 2016, data were collected from 146 males and 135 females (age 63.9±13.4 years, BMI 23.2±3.8 kg/m2) at annual musculoskeletal examinations, including knee radiographs and body composition analyses, by dual-energy X-ray absorptiometry. Cross-sectional areas of abdominal trunk muscles were measured using a single-slice computed tomography scan image obtained at the level of the umbilicus. Results: The prevalence of RKOA was 21.2% in males and 28.1% in females. Compared to subjects without RKOA, subjects with RKOA were ~6 years older and had smaller paraspinal muscle (38.4±8.7 vs 33.1±10.1 cm2, p<0.01 in males; 24.1±7.1 vs 20.7±7.5 cm2, p<0.05 in females). In contrast, there was no decrease in appendicular or total lean mass, and only in females, BMI and total fat mass (FM) were higher in subjects with RKOA (21.5±3.5 vs 24.5±4.4 kg/m2, 16.7±7.0 vs 20.5±7.7 kg, respectively, both p<0.01). After adjusting for age and sex, smaller cross-sectional area/lower attenuation value of the paraspinal muscles was associated with RKOA (both p<0.05), while greater appendicular or total lean mass as well as greater FM was associated with RKOA. The size and quality of the paraspinal muscles were not associated with knee pain or habitual exercise. Conclusion: Small, poor-quality paraspinal muscles may be linked to a higher risk of RKOA, but appendicular or total lean mass was not a good predictor of RKOA. Keywords: radiographic knee osteoarthritis, paraspinal muscle cross sectional area, paraspinal muscle attenuation, lean body mass, fat massAzuma KSera YShinjo TTakayama MShiomi EMomoshima SIwao YIshida HMatsumoto HDove Medical PressarticleRadiographic knee osteoarthritis (RKOA)Paraspinal muscle cross sectional areaParaspinal muscleattenuationLean body mass (LBM)Fat mass (FM)Diseases of the musculoskeletal systemRC925-935ENOpen Access Rheumatology: Research and Reviews, Vol Volume 9, Pp 151-158 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Radiographic knee osteoarthritis (RKOA) Paraspinal muscle cross sectional area Paraspinal muscle attenuation Lean body mass (LBM) Fat mass (FM) Diseases of the musculoskeletal system RC925-935
spellingShingle	Radiographic knee osteoarthritis (RKOA) Paraspinal muscle cross sectional area Paraspinal muscle attenuation Lean body mass (LBM) Fat mass (FM) Diseases of the musculoskeletal system RC925-935 Azuma K Sera Y Shinjo T Takayama M Shiomi E Momoshima S Iwao Y Ishida H Matsumoto H Maintenance of the paraspinal muscles may protect against radiographic knee osteoarthritis
description	Koichiro Azuma,1 Yasushi Sera,1 Takuma Shinjo,1 Michiyo Takayama,2 Eisuke Shiomi,2 Suketaka Momoshima,2 Yasushi Iwao,2 Hiroyuki Ishida,3 Hideo Matsumoto1 1Institute for Integrated Sports Medicine, Keio University School of Medicine, 2Center for Preventive Medicine, Keio University Hospital, Shinjuku-ku, Tokyo, 3Sports Medicine Research Center, Keio University, Kohoku-ku, Yokohama, Kanagawa, Japan Background: Knee osteoarthritis (OA) is an increasing health problem worldwide. So far, only obesity and quadriceps weakness are identified as modifiable risk factors for knee OA. Core muscle strengthening is becoming increasingly popular among older adults because of its ability to enhance the activities of daily living during old age. This study investigated the associations of the size and quality of the abdominal trunk muscles with radiographic knee osteoarthritis (RKOA). Methods: From 2012 to 2016, data were collected from 146 males and 135 females (age 63.9±13.4 years, BMI 23.2±3.8 kg/m2) at annual musculoskeletal examinations, including knee radiographs and body composition analyses, by dual-energy X-ray absorptiometry. Cross-sectional areas of abdominal trunk muscles were measured using a single-slice computed tomography scan image obtained at the level of the umbilicus. Results: The prevalence of RKOA was 21.2% in males and 28.1% in females. Compared to subjects without RKOA, subjects with RKOA were ~6 years older and had smaller paraspinal muscle (38.4±8.7 vs 33.1±10.1 cm2, p<0.01 in males; 24.1±7.1 vs 20.7±7.5 cm2, p<0.05 in females). In contrast, there was no decrease in appendicular or total lean mass, and only in females, BMI and total fat mass (FM) were higher in subjects with RKOA (21.5±3.5 vs 24.5±4.4 kg/m2, 16.7±7.0 vs 20.5±7.7 kg, respectively, both p<0.01). After adjusting for age and sex, smaller cross-sectional area/lower attenuation value of the paraspinal muscles was associated with RKOA (both p<0.05), while greater appendicular or total lean mass as well as greater FM was associated with RKOA. The size and quality of the paraspinal muscles were not associated with knee pain or habitual exercise. Conclusion: Small, poor-quality paraspinal muscles may be linked to a higher risk of RKOA, but appendicular or total lean mass was not a good predictor of RKOA. Keywords: radiographic knee osteoarthritis, paraspinal muscle cross sectional area, paraspinal muscle attenuation, lean body mass, fat mass
format	article
author	Azuma K Sera Y Shinjo T Takayama M Shiomi E Momoshima S Iwao Y Ishida H Matsumoto H
author_facet	Azuma K Sera Y Shinjo T Takayama M Shiomi E Momoshima S Iwao Y Ishida H Matsumoto H
author_sort	Azuma K
title	Maintenance of the paraspinal muscles may protect against radiographic knee osteoarthritis
title_short	Maintenance of the paraspinal muscles may protect against radiographic knee osteoarthritis
title_full	Maintenance of the paraspinal muscles may protect against radiographic knee osteoarthritis
title_fullStr	Maintenance of the paraspinal muscles may protect against radiographic knee osteoarthritis
title_full_unstemmed	Maintenance of the paraspinal muscles may protect against radiographic knee osteoarthritis
title_sort	maintenance of the paraspinal muscles may protect against radiographic knee osteoarthritis
publisher	Dove Medical Press
publishDate	2017
url	https://doaj.org/article/7ccad037cdf94ae29ece3b4053a0b955
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Maintenance of the paraspinal muscles may protect against radiographic knee osteoarthritis

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