2022
DOI: 10.3390/ijerph19127386
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Association of Smartphone Use Duration with Physical Fitness among University Students: Focus on Strength and Flexibility

Abstract: High-frequency smartphone use leads to physical inactivity and may consequently cause the loss of physical fitness. Although the relationship between smartphone usage and physical fitness has been investigated, most of these studies focused on partial physical fitness, and the evaluation of the duration of smartphone use was insufficient. Therefore, this study aimed to investigate the relationship between the time period of using smart phones and physical fitness in Chinese university students. In this cross-s… Show more

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Cited by 7 publications
(5 citation statements)
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“…All the studies included in their review showed similar results, demonstrating that an increase in smartphone use leads to decreases in physical activity and sports performance among children and adolescents (Azam et al, 2020 ). Similarly, Wang et al ( 2016 ) revealed that smartphone addiction decreases physical fitness among university students (Li et al, 2022 ).…”
Section: Discussionmentioning
confidence: 98%
“…All the studies included in their review showed similar results, demonstrating that an increase in smartphone use leads to decreases in physical activity and sports performance among children and adolescents (Azam et al, 2020 ). Similarly, Wang et al ( 2016 ) revealed that smartphone addiction decreases physical fitness among university students (Li et al, 2022 ).…”
Section: Discussionmentioning
confidence: 98%
“…Based on available research results, the authors recommend a maximum of 1–2 h of screen time per day for younger adolescents (12–16 years) and about 2 h per day for older adolescents (16–18 years) during their leisure time, regardless of the type of screen used (e.g., smartphone, tablet, television, etc.). Problematic aspects of high amounts of smartphone use are also related to sedentariness [ 14 , 15 ] and decreased physical activity and physical fitness [ 16 , 17 , 18 , 19 ]. Our results also indicate an association between physical inactivity and symptoms of depression, symptoms of anxiety, distress, and low well-being.…”
Section: Discussionmentioning
confidence: 99%
“…Social isolation and loneliness are both associated with an increased risk of mental health problems in children, adolescents, and adults [ 11 , 12 , 13 ]. Furthermore, problematic aspects of excessive amounts of smartphone use are also related to sedentariness [ 14 , 15 , 16 ] and decreased physical activity and fitness [ 17 , 18 , 19 ].…”
Section: Introductionmentioning
confidence: 99%
“…Continuous and intensive daily use of mobile phones appears to have a negative impact on cognitive function. Frequent use of smartphones can lead to a lack of physical activity and a decline in physical fitness, including weakened grip strength and decreased flexibility (all P < 0.05) [ 24 ]. Individuals who are heavily addicted to the internet perform worse in terms of working memory capacity, visual reaction time, auditory reaction time and slow development of cognitive areas of the cortical surface (all P < 0.01) [ 25 – 27 ].…”
Section: Discussionmentioning
confidence: 99%