Chinese Journal of Tissue Engineering Research ›› 2019, Vol. 23 ›› Issue (15): 2356-2363.doi: 10.3969/j.issn.2095-4344.1147

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Gender differences in the relationship between sit-and-reach and body composition: a survey of college students in Guangxi Zhuang Autonomous Region

Kong Cunqing, Chen Xingcai, Wu Huaqian, Chen Run, Wang Zefeng, Li Qiaoli, Tang Cheng, Zhang Wenhai,#br# Wu Yachen, Liu Peng   

  1.  (Department of Human Anatomy, School of Basic Medicine, Guangxi Medical University, Nanning 530021, Guangxi Zhuang Autonomous Region, China)
  • Received:2018-11-21 Online:2019-05-28 Published:2019-05-28
  • Contact: Liu Peng, Master, Associate professor, Department of Human Anatomy, School of Basic Medicine, Guangxi Medical University, Nanning 530021, Guangxi Zhuang Autonomous Region, China
  • About author:Kong Cunqing, Master candidate, Department of Human Anatomy, School of Basic Medicine, Guangxi Medical University, Nanning 530021, Guangxi Zhuang Autonomous Region, China Chen Xingcai, Master candidate, Department of Human Anatomy, School of Basic Medicine, Guangxi Medical University, Nanning 530021, Guangxi Zhuang Autonomous Region, China Kong Cunqing and Chen Xingcai contributed equally to this work.
  • Supported by:

    the Innovation and Entrepreneurship Training Program for the College Students of Guangxi Medical University in 2018, No. 2018009 and 2018112 (both to LP)

Abstract:

BACKGROUND: Studying the relationship between flexibility and body composition of college students is of great significance for enhancing the levels of physical health and sports.
OBJECTIVE: To investigate the relationship between sit-and-reach and body composition of college students in Guangxi Zhuang Autonomous Region and differences between sexes.
METHODS: Totally 2 175 students from a Guangxi university were randomly selected. Body composition was determined by the MC-180 body composition tester. The students were divided into four groups: ≤ 12.10 cm group, > 12.10-16.40 cm group, > 16.40-20.70 group and > 20.70 group according to quartile of sit-and-reach measured in accordance with the National Physical Health Test Standard. All data were processed by SPSS 22.0 software.
RESULTS AND CONCLUSION: Sit-and-reach was significantly correlated with body mass index, percentage of body fat, fat-free mass index, upper limb lean mass and lower limb lean mass (P < 0.05), and percentage of body fat was negatively correlated with sit-and-reach (P < 0.05). The body mass index, fat-free mass index, upper limb lean mass and lower limb lean mass in the ≤ 12.10 cm group were significantly lower than those in the other groups. Fat-free mass index and upper limb lean mass were correlated with sit-and-reach in male college students (P < 0.05). The fat-free mass index and upper limb lean mass in the > 16.40-20.70 cm group were significantly higher than those in the ≤ 12.10 cm group. Therefore, there is a positive correlation between the flexibility and fat-free mass index and upper limb lean mass in college students.

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: Body Composition, Pliability, Sex Factors, Flexibility, Students, Tissue Engineering

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