Tag: junior high school students

Factor analysis of adolescent idiopathic scoliosis in junior high school students

Sukadarwanto Sukadarwanto, Yulianto Wahyono, Nitaya Putri Nur Hidayati, Hendrik Hendrik

Sukadarwanto Sukadarwanto, Yulianto Wahyono, Nitaya Putri Nur Hidayati, Hendrik Hendrik – Factor analysis of adolescent idiopathic scoliosis in junior high school students –  Fizjoterapia Polska 2025; 25(4); 137-141

DOI: https://doi.org/10.56984/8ZGA4313L3Y

Abstract
Introduction. Scoliosis refers to a group of spinal conditions characterized by lateral curvature and vertebral rotation caused by multiple etiologies. Adolescent idiopathic scoliosis (AIS) is a structural spinal deformity with no clear cause, diagnosed when the spinal curvature exceeds 10 degrees, typically affecting individuals aged 10 to 18. Contributing factors may include genetic predisposition, abnormalities in skeletal muscle or connective tissue, biomechanical stress, and environmental factors such as backpack use and weight.
Purpose. This study aimed to examine the factors associated with the risk of AIS in junior high school students.
Methods. A descriptive observational design was used to identify risk factors for AIS. Data were collected using a 29-item questionnaire assessing clinical symptoms, personal habits, and sociodemographic variables.
Results. Analysis showed that 47% of students with AIS were influenced by genetic factors, 34% by musculoskeletal abnormalities, and 19% by sociocultural conditions. A strong correlation was found between high-risk behavior and the prevalence of AIS.
Conclusion. The study concludes that risk factors contributing to AIS in junior high school students include genetic, musculoskeletal, and sociocultural factors, as well as participation in high-risk physical activities.
Key words
adolescent idiopathic scoliosis, junior high school students, sociocultural
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Correlation between physical activity with body mass index and body fat percentage: A study of final year students in junior high school

Muhammad Labib Siena Ar Rasyid, Suroto, Oce Wiriawan,Arifah Kaharina, Afif Rusdiawan, Nugroho Susanto

 

Muhammad Labib Siena Ar Rasyid, Suroto, Oce Wiriawan,Arifah Kaharina, Afif Rusdiawan, Nugroho Susanto – Correlation between physical activity with body mass index and body fat percentage: A study of final year students in junior high school –  Fizjoterapia Polska 2025; 25(3); 132-138

DOI: https://doi.org/10.56984/8ZG7D19HTTN

Abstract
Study purpose. This study aims to determine the relationship between physical activity (PA), body mass index (BMI), and body fat percentage in final-year students at the junior high school level.
Methods. This research is quantitative with a correlational research design. The subjects in this study were 9th-grade students at SMP Negeri 1 Jogoroto who were selected using random sampling techniques. A total of 58 students (29 boys and 29 girls) were randomly selected and volunteered to participate in this study. PA levels were measured using the IPAQ questionnaire, body fat percentage was measured using the Tanita InnerScan Body Composition Monitor scales model BC-541, and BMI was obtained from the formula = body weight (kg)/body height² (m). The data analysis technique uses descriptive statistical tests and Spearman’s rho rank correlation with the help of Microsoft Excel 2016 and SPSS version 25.
Results. The results of the correlation test show that the correlation coefficient is negative and the significance is greater than 0.05 between PA and BMI (r = −0.162, p = 0.225 > 0.05) and body fat percentage (r = -0.095, p = 0.480 > 0.05). It can be said that these two relationships are weak, while BMI and body fat percentage have a positive correlation and significance less than 0.05 (r = 0.779, p = 0.000 < 0.05), indicating that BMI and body fat percentage have a strong correlation.
Conclusions. The conclusion is that PA is negatively correlated with BMI and body fat percentage, although neither relationship is significant. However, BMI was found to have a positive and significant correlation with body fat percentage in students. Therefore, it is recommended that students maintain their PA in line with WHO recommendations and keep their BMI within the normal range. If your BMI is normal, it is likely that your body fat percentage is also normal.
Key words
physical activity, body mass index, body fat percentage, junior high school students
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