Association between upper limb muscle quality and knee osteoarthritis in dynapenia: an observational cross-sectional study

Neurological and skeletal muscle properties are suggested causes ‍of dynapenia. This study aimed to evaluate the relation­ship between upper limb muscle quality (grip strength/upper extremity muscle mass) and knee osteoarthritis in dynapenia, and to identify dynapenia-associated factors. Elderly ind...

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Bibliographic Details
Published in:Journal of Clinical Biochemistry and Nutrition 2024, Vol.75(2), pp.145-152
Main Authors: Kishimoto, Takahiro, Onishi, Hidenori, Tsubouchi, Hiromasa, Mizukami, Yasutaka, Kubota, Masafumi, Ikeda, Ryouko, Konoshita, Naohiro, Tanaka, Tokuharu, Kobayashi, Koji, Hayashi, Hiroyuki, Yamamura, Osamu
Format: Article
Language:English
Subjects:
Age
aging
Body composition
Confidence intervals
dynapenia
Grip strength
Knee
knee osteoarthritis
Limbs
Muscles
Original
Osteoarthritis
Regression analysis
Skeletal muscle
Statistical analysis
upper limb muscle quality
Women
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Summary:Neurological and skeletal muscle properties are suggested causes ‍of dynapenia. This study aimed to evaluate the relation­ship between upper limb muscle quality (grip strength/upper extremity muscle mass) and knee osteoarthritis in dynapenia, and to identify dynapenia-associated factors. Elderly individuals who responded to a public call for screening in Wakasa Town, Fukui Prefecture between June 2019 and November 2021 were included. The analysis included 433 participants (304 women aged 76.0 ‍± 7.1 years). Examination comprised (consecutively) a basic interview, physical function measurement, body composition measurement, and explanation of results. Dynapenia was observed in 67 patients. Binomial logistic regression analysis revealed that age, upper limb muscle quality score, and knee osteoarthritis were independent factors for dynapenia. Receiver operating charac­teristic analysis of the relationship between dynapenia and upper limb muscle quality showed an area under the curve of 0.806 (95% confidence interval: 0.658–0.953) for men (cut-off value, 14.3 ‍kg/kg) and 0.849 for women (95% confidence interval: 0.858–0.968; cut-off value, 14.0 ‍kg/kg). In conclusion, age, upper limb muscle quality, and knee osteoarthritis were independent factors of dynapenia. We demonstrated that upper limb muscle quality has good accuracy in detecting dynapenia in both men and women.
ISSN:0912-0009
1880-5086
DOI:10.3164/jcbn.24-58