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Chinese Journal of Obesity and Metabolic Diseases(Electronic Edition) ›› 2024, Vol. 10 ›› Issue (01): 35-39. doi: 10.3877/cma.j.issn.2095-9605.2024.01.006

• Articles • Previous Articles    

Effect of different waist-to-hip ratio on muscle strength in elderly with normal body mass index

Xinxin Wang1, Fei Lu1,(), Qunfei Yu1, Xiaoyan Zhi1, Wenxia Wang1, Yaojing Ma1, Ning Wei2   

  1. 1. Department of Nursing, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009
    2. Department of Rehabilitation Sciences, College of Medicine and Health Science, Wuhan Polytechnic University, 430023 Wuhan, China
  • Received:2023-11-07 Online:2024-02-29 Published:2024-06-11
  • Contact: Fei Lu

Abstract:

Objective

To explore the relationship between waist-to-hip ratio (WHR) and muscle strength in the elderly 60~70 years old with normal body mass index (BMI).

Methods

This was a cross-sectional study. A total of 376 eligible elderly patients were grouped according to gender and WHR by cross-sectional investigation, and the collected general data and muscle strength of upper and lower limbs were statistically analyzed.

Results

There were sex differences in height, weight, WHR, grip strength and relative grip strength in the elderly with normal BMI. Hip obesity was the most common in males (51.45%) and middle waist obesity in females (73.14%). The elderly with high WHR (waist obesity) had a longer sit-stand test time than those with low WHR (normal and hip obesity) (P<0.001). WHR was positively correlated with sitting-stand test time (P<0.001).

Conclusions

In the case of normal BMI, WHR had a greater effect on lower limb muscle strength than upper limb muscle strength, and WHR was negatively correlated with lower limb muscle strength. With the increase of WHR, the lower limb muscle strength of both sexes decreased significantly.

Key words: The elderly, Waist-to-hip ratio, Body mass index, Muscle, Strength

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