Correlation between Physical Activity and Nutritional Status with Physical Fitness Level of Karate Extracurricular Students

Optimal physical fitness will support achievement, including extracurricular karate at SMP Kartika IV-11 Surabaya. Physical activity and good nutritional status are some of the determining factors that support physical fitness. This study aimed to determine the correlation between physical activity and nutritional status with the level of physical fitness in karate extracurricular students at SMP Kartika IV-11 Surabaya. Quantitative research correlational design. The research subjects were taken from a total population of 29 students. Physical Activity Questionnaire-Adolescents (PAQ-A) questionnaire instrument to assess Adolescent Physical Activity; measurement of Body Mass Index by Age (IMT/U) to measure nutritional status; and Student Fitness Test Nusantara (TKPN) to measure physical fitness level. Statistical tests used the Pearson correlation test. The analysis results showed no significant correlation between physical activity and physical fitness level with a value of p = 0.34 (p0.05) because other factors may influence, such as age, gender, genetics, nutrition, and smoking behavior. The results of the analysis of nutritional status with physical fitness level had no significant correlation with a p-value = 0.33 (p0.05). A person's nutritional condition is influenced by various factors, namely direct and indirect factors, such as various eating habits, disease, environmental hygiene, economic factors, and others.