Saudi Universities Theses & Dissertations
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Item Restricted Does the poor sleep quality affect the physical activity level, postural stability, and isometric muscle strength in Saudi adolescents? A comparative study(Saudi Digital Library) Al-Rasheed, Amal SalehStudy aims: The primary goal of this study is to compare the physical activity level, postural stability, and isometric muscle strength in Saudi adolescents with normal and poor sleep qualities. Also, to compare the sleep quality between male and female Saudi adolescents and to identify the common risk factors that result in poor sleep quality in Saudi adolescents. Material and methods: In this cross-sectional study, we investigated 62 Saudi adolescent’s (boys and girls) with age ranged from 12- 15 years. Participants were classified into two equal groups, one with normal sleep quality (NS) and the other with poor sleep quality (PS) based on the PSQI score. TecnoBody balance system was used to measure the dynamic postural stability. ActiGraph was used to assess the physical activity level. Hand dynamometer and pinch gauge were used to assess the hand grip and key pinch strength. Also, the common risk factors of poor sleep quality were identified by interviewing the study participants. Results: Our results revealed that all stability indices in both groups (NS and PS) were comparable at platform stability (moderate and high) and either with opened eyes or closed eyes (p>0.05). At low platform stability (with opened or closed eyes), the PS group showed poorer postural stability indices than the NS group (p≤0.05). ActiGraph data revealed that all physical activity parameters including all axes activity counts, total activity counts, and the activity count per minute were significantly lower in the PS group (p≤0.05). Furthermore, the time spent in light, moderate, and vigorous activities were lesser in the PS Conclusions: Poor sleep quality significantly impaired postural stability and physical activity in Saudi adolescents. Females had poorer sleep quality than males, however, the differences between them were not significant. Certain risk factors were associated with poor sleep quality and should be avoided.3 0