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Asian J Kinesiol > Volume 19(3); 2017 > Article
The Official Journal of the Korean Academy of Kinesiology 2017;19(3):53-60.
DOI: https://doi.org/10.15758/jkak.2017.19.3.53    Published online July 30, 2017.
Relationship between Grip Strength and Prevalence of Hypertension in Korean Adults: the Sixth Korea National Health and Nutrition Examination Survey(2015).
Jung-A Lee
Yonsei University
Correspondence:  Jung-A Lee,
Email: junga613@gmail.com
Received: 2 May 2017   • Accepted: 20 July 2017
Abstract
PURPOSE
The purpose of this study was to investigate the frequency and type of physical activity according to the difference of grip strength among Korean adults and to clarify the relationship between grip strength and prevalence of hypertension.
METHODS
We analyzed a secondary database, the 6th Korean National Health Nutrition Survey (2015), which examined the grip strength, frequency and type of physical activity, body composition, blood pressure, and biomakers of blood among Korean adults. The grip strength was divided 4 groups based on a quartile and 88.7% of participants mainly were using the right hand. Contingency table analysis was used to examine the differences of physical activity frequency and physical activity type among the 4 groups. Also, the logistic regression analysis was used to analyze the prevalence of hypertension according to the difference of grip strength.
RESULTS
The frequency of strength exercise, and flexibility exercise were significantly higher in the fourth group (4th Quartile) among four groups. When the first quartile group was as a reference (1), the prevalence of hypertension in female was significantly lower in the second quartile group at 60% (2nd Quartile, [0.40(0.18, 0.90)]), the third quartile group at 58% (3rd Quartile, [0.42(0.19, 0.90)]), and the fourth quartile group at 85% (4th Quartile, [0.15(0.06, 0.40)]). In male, the hypertension prevalence was significantly lower in the third quartile group at 60% (3rd Quartile, [0.40(0.18, 0.90)]), and the fourth quartile group at 69% (4th Quartile, [0.31(0.12, 0.81)]). The left grip strength in both female and male also showed a similar tendency in the relationship prevalence of hypertension and grip strength.
CONCLUSIONS
The grip strength can be used as an index for predicting the prevalence of hypertension. To reduce the prevalence of hypertension and improve grip strength, regular high intensity exercise, strength exercise, and flexibility exercise should be recommended.
Keywords: grip strength, hypertension, vigorous exercise, strength exercise, flexibility exercise


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