Chinese Journal of Tissue Engineering Research ›› 2018, Vol. 22 ›› Issue (16): 2478-2482.doi: 10.3969/j.issn.2095-4344.0254

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Correlation of bone mineral density with skeletal muscle content and physical activity

Liu Yun-ting1, Guo Hui2, Zhang Yi-min3   

  1. 1School of Automation and Electrical Engineering, Shenyang Ligong University, Shenyang 110159, Liaoning Province, China; 2Shenyang University of Technology, Shenyang 110870, Liaoning Province, China; 3Key Laboratory of Sports and Physical Health Education Department, Beijing Sport University, Beijing 100084, China
  • Received:2018-04-28 Online:2018-06-08 Published:2018-06-08
  • Contact: Guo Hui, Ph.D., Associate professor, Master’s supervisor, Shenyang University of Technology, Shenyang 110870, Liaoning Province, China
  • About author:Liu Yun-ting, Ph.D., Lecturer, School of Automation and Electrical Engineering, Shenyang Ligong University, Shenyang 110159, Liaoning Province, China
  • Supported by:

    the Natural Science Foundation of Liaoning Province, No. 20170540788; the Doctoral Initial Foundation of Liaoning Province, No. 20170520380; the Project of Department of Education of Liaoning Province, No. WGD2016014; the Basic Research Project of Department of Education of Liaoning Province, No. LG20179; the Foundation of Key Laboratory of Sports and Physical Health Education Department of Beijing Sport University

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Abstract:

BACKGROUND: Bone mineral density is the most important indicator for bone level. Osteoporosis is a worldwide problem, and there is no safe and effective radical treatment. It can only be prevented, so bone mineral density arise more attention.
OBJECTIVE: To explore the relationship between skeletal muscle content, physical activity level and bone mineral density in older adults, so as to provide theoretical basis for preventing osteoporosis treatment.
METHODS: Totally 111 subjects aged 40 to 84 years were recruited randomly. The bone mineral density was measured by double energy X-Ray bone density meter, and the human skeletal muscle content, fat content and percentage of skeletal muscle were measured by human body component analyzer. The variance analysis was used for multiple group comparisons in different age groups, LSD method for comparisons between groups, and Pearson correlation analysis for correlation analysis.
RESULTS AND CONCLUSION: Bone mineral density was significantly related to the physical activity, body mass, and skeletal muscle content (r=0.30, 0.41, and 0.45, P < 0.01). For middle and older adults, skeletal muscle content, physical activity level and body mass were positively related to bone mineral density. Age and bone mineral density had a negative relationship. These results indicate that physical activity is an important factor affecting bone density, and higher level of physical activity is beneficial to maintain and improve bone mineral density. Increasing muscle mass and improving body composition can improve bone mineral density.

中国组织工程研究杂志出版内容重点：组织构建；骨细胞；软骨细胞；细胞培养；成纤维细胞；血管内皮细胞；骨质疏松；组织工程

Key words: Bone Density, Body Composition, Muscle, Skeletal, Osteoporosis, Tissue Engineering

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