Abstract
ObjectMeasuring handgrip strength is a useful method to evaluate sarcopenia. No study has shown the trends of handgrip strength to weight ratio among Korean adolescents by year. This study aimed to determine the trends of handgrip strength among Korean adolescents using data from the Korea National Health and Nutrition Examination Survey (KNHANES). Data of 2304 adolescents who participated in the KNHANES between 2014 and 2017 were obtained. The handgrip-to-weight ratios were categorized by age, sex, and year.ResultsHandgrip strength in adolescents decreased from 28.67 kg in 2014 to 27 kg in 2017 (P for trend < 0.05). The handgrip-to-weight ratio also decreased from 51.48 in 2014 to 48.18 in 2017 (P for trend < 0.05). The handgrip strength and handgrip-to-weight ratio also decreased among boys and girls over the years 2014–2017 (P for trend < 0.05). The results of the present study indicate that the handgrip-to-weight ratio decreased in Korean adolescents from the years 2014 to 2017, and a declining overall ratio indicates a decrease in the health status among Korean adolescents. Hence, there is a need to review the health status of Korean adolescents.
Highlights
Sarcopenia is defined as a progressive and generalized skeletal muscle disorder that involves the accelerated loss of muscle mass and function [1]
The results of the present study indicate that the handgrip-to-weight ratio decreased in Korean adolescents from the years 2014 to 2017, and a declining overall ratio indicates a decrease in the health status among Korean adolescents
Systolic blood pressure (SBP), Diastolic blood pressure (DBP), height, weight, waist, body mass index (BMI), glucose, TG, Aspartate aminotransferase (AST), Alanine aminotransferase (ALT) did not show any trends over the years 2014, 2015, 2016, and 2017
Summary
Sarcopenia is defined as a progressive and generalized skeletal muscle disorder that involves the accelerated loss of muscle mass and function [1]. Evaluating sarcopenia is important, for which there are many measurement tools available. Magnetic resonance imaging, and dual-energy X-ray absorptiometry can measure muscle mass. Handgrip strength and knee flexion/extension strength can be used to assess muscle strength [4, 5]. Handgrip strength assessment is a very simple and reliable method because it is correlated with several medical conditions [6, 7], even in adolescents and children [8–11]. Handgrip strength has been used to identify sarcopenic obesity in children [12]. A recent study reported a strong relationship between handgrip strength and obesity and metabolic syndrome in adults and adolescents [13–17]. Steffl et al showed that handgrip strength can help identify children at risk for sarcopenic obesity [12]. The handgrip strength represents the strength of the simple muscle force, it can represent something more important.
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