Effect of Skeletal Muscle Strength and Body Fat Distribution on Pulmonary Functions


  • Abdul Rahman Mohammed Alhowikan Department of Physiology, College of Medicine, King Saud University, Riyadh, Saudi Arabia




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Objectives: This study aimed to assess a link between pulmonary function tests, upper and lower extremity muscular strength, and body fat distribution in Saudi males.

Methodology: This cross-sectional study was conducted in the department of physiology at the College of Medicine, King Saud University, Riyadh, Saudi Arabia. A total of 106 participants were invited, ranging from 20-47 years old. The participants were divided into three groups, with ages ranging from 20-29 years old, 30-39 years old, and 40–47 years old. Handgrip and thigh muscle strength was assessed using isometric dynamometry. Pulmonary function tests were performed according to the American Thoracic Society's guidelines recommendations.

Results: There was no significant difference between the three age groups in upper and lower limb muscle strength. The handgrip strength was stable from 20 to 47 years, ranging from 37 to 39. Also, thigh muscles strength was not affected by age for the three age groups. Skinfold measurement of the upper body showed no significant differences in Biceps, Triceps, and Sum of skinfold were, however, Skinfold measurement of the lower body of Subscapular and Supra iliac were different significantly

Conclusion: There was no association between the age groups in upper and lower limbs muscle strength. However, further studies will be conducted to explore the study findings.





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