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Introduction. Starting from the shortcomings found from previous studies regarding the relationship between physical factors and technical abilities in football, so the background for us to make this research. Purpose. This study aims to determine the relationship between waist flexibility and long passing ability in Tunas Putra Payakumbuh Football School (SSB) players. Research Methodology. By choosing a research subject from SSB Tunas Putra Payakumbuh, we hope to contribute to the understanding of the aspects of physical fitness that affect players' technical abilities. This study is a correlational research. The population in this study consisted of all SSB Tunas Putra Payakumbuh players totaling 64 people. The sampling technique used was purposive sampling, resulting in a sample of 20 players. The instruments in this study include: 1) sit and reach test, and 2) long passing ability test. Data analysis was carried out using simple correlation statistical analysis or product moment, followed by multiple correlation analysis. Research Result. It shows that waist flexibility correlates with the long passing ability of Tunas Putra Payakumbuh Youth Soccer Club players by 72.60%. An in-depth understanding of this relationship is expected to improve the approach to coaching football players, with a focus on aspects of physical flexibility that can have a positive impact on technical ability, especially on long passing ability.

Abstract This study applied Nielsen's heuristics to assess the user interface of the Sport Analysis Application. The purpose of this application aid students in evaluating their performance based on test results and adhering to training guidelines derived from the application's recommendations. The primary framework used in this investigation is Nielsen's heuristics, coupled with experiments to gauge the extent to which the application's user interface aligns with user preferences (user-friendly). The study targeted a population of students, with a sample size of 100 individuals. Analysis and discussion were conducted through the distribution of questionnaires to participants. The research findings revealed that the Visibility of System Status score reached 151. Overall, the study concludes that the developed Sport Analysis Application successfully achieves its primary objectives with a user-friendly interface.

Physical fitness is one of the most important indicators in daily life, supported by various factors including fatigue index and haemoglobin levels. The purpose of this study was to determine: 1) the contribution of fatigue index to physical fitness, 2) the contribution of haemoglobin level to physical fitness, and 3) the contribution of fatigue index and haemoglobin level simultaneously to physical fitness. The research studied belongs to the type of quantitative research with a correlational approach and continued by calculating the amount of contribution of the independent variable (predictor) to the dependent variable (criterion) through the determination index, namely r2 x 100%. Sampling was carried out using purposive sampling technique and the sample amounted to 48 people. The characteristics of this research sample are active sports students aged 18.68 ± 0.86 years, height 165.38 ± 6.71 centimetres, and body weight 56.75 ± 9.70 kilograms. Fatigue Index was measured by Running Based Anaerobic Sprint Test (RAST Test), Haemoglobin Level was measured by Sahli method, and Physical fitness was measured by the Bleep Test. The data analysis techniques used were simple and multiple correlation analysis techniques. Hypotheses 1 and 2 were analysed by simple correlation and regression, while hypothesis 3 was analysed by correlation and multiple regression. Simple correlation and multiple regression analysis, this analysis is used to determine the contribution of fatigue index variables and haemoglobin levels to physical fitness. The results in this study are: 1) Fatigue index contributes to the level of physical fitness by 6.09%. 2) Haemoglobin levels contribute to the level of physical fitness by 9.14%, and 3) Fatigue index and haemoglobin levels together contribute to the level of physical fitness by 16.83%. Keywords: Fatigue Index, Haemoglobin Level, and Physical Fitness.

The purpose of this study was to examine the effect of nutritional status and parental income on students' physical fitness. This research was an experimental research aimed to examine the correlation among variables. The sampling technique used was purposive sampling with a sample size of 85 students (49 male students and 36 female students). The test was used to examine the correlation among variables. Anthropometric tests were used to examine students' BMI, parents' income questionnaires to see parents' income levels, and TKJI to examine students' physical fitness levels. The statistical test used the SPSS version 26 statistical program. The result of this research was there was correlation between nutritional status on physical fitness with sig. 0.002 < 0.05. There was no correlation between parental income on physical fitness with sig value. 0.756 > 0.05. There was a simultaneous correlation between nutritional status and parental income on physical fitness with sig. 0.005 <0.05, and the correlation of nutritional status and parental income simultaneously on students' physical fitness is 12.2%. Keywords: Elementary School, Nutritional Status; Parents' Income; Physical Fitness, Student El propósito de este estudio fue examinar el efecto del estado nutricional y los ingresos de los padres sobre la aptitud física de los estudiantes. Esta investigación fue una investigación experimental cuyo objetivo fue examinar la correlación entre variables. La técnica de muestreo utilizada fue el muestreo intencional con un tamaño de muestra de 85 estudiantes (49 estudiantes varones y 36 estudiantes mujeres). La prueba se utilizó para examinar la correlación entre variables. Se utilizaron pruebas antropométricas para examinar el IMC de los estudiantes, cuestionarios de ingresos de los padres para ver los niveles de ingresos de los padres y TKJI para examinar los niveles de aptitud física de los estudiantes. La prueba estadística utilizó el programa estadístico SPSS versión 26. El resultado de esta investigación fue que existió correlación entre el estado nutricional y la condición física con sig. 0,002 < 0,05. No hubo correlación entre los ingresos de los padres sobre la aptitud física y el valor sig. 0,756 > 0,05. Hubo una correlación simultánea entre el estado nutricional y los ingresos de los padres sobre la aptitud física con sig. 0,005 <0,05, y la correlación del estado nutricional y el ingreso de los padres simultáneamente con la aptitud física de los estudiantes es del 12,2%. Palabras clave: Escuela Primaria, Estado Nutricional; Ingresos de los padres; Aptitud Física, Estudiante  Abstract. The purpose of this study was to examine the effect of nutritional status and parental income on students' physical fitness. This research was an experimental research aimed to examine the correlation among variables. The sampling technique used was purposive sampling with a sample size of 85 students (49 male students and 36 female students). The test was used to examine the correlation among variables. Anthropometric tests were used to examine students' BMI, parents' income questionnaires to see parents' income levels, and TKJI to examine students' physical fitness levels. The statistical test used the SPSS version 26 statistical program. The result of this research was there was correlation between nutritional status on physical fitness with sig. 0.002 < 0.05. There was no correlation between parental income on physical fitness with sig value. 0.756 > 0.05. There was a simultaneous correlation between nutritional status and parental income on physical fitness with sig. 0.005 <0.05, and the correlation of nutritional status and parental income simultaneously on students' physical fitness is 12.2%. Keywords: Elementary School, Nutritional Status; Parents' Income; Physical Fitness, Student O objetivo deste estudo foi examinar o efeito do estado nutricional e da renda dos pais na aptidão física dos alunos. Esta pesquisa foi uma pesquisa experimental cujo objetivo foi examinar a correlação entre variáveis. A técnica de amostragem utilizada foi a amostragem proposital com um tamanho de amostra de 85 alunos (49 alunos do sexo masculino e 36 do sexo feminino). O teste foi utilizado para examinar a correlação entre as variáveis. Testes antropométricos foram usados ​​para examinar o IMC dos alunos, questionários de renda parental para examinar os níveis de renda dos pais e TKJI para examinar os níveis de aptidão física dos alunos. O teste estatístico utilizou o programa estatístico SPSS versão 26. O resultado desta pesquisa foi que houve correlação entre estado nutricional e condição física com sig. 0,002 < 0,05. Não houve correlação entre a renda parental na aptidão física e o valor do sig. 0,756 > 0,05. Houve correlação simultânea entre estado nutricional e renda parental sobre aptidão física com sig. 0,005 <0,05, e a correlação do estado nutricional e da renda parental simultaneamente com a aptidão física dos escolares é de 12,2%. Palavras-chave: Ensino Fundamental, Estado Nutricional; Renda dos pais; Aptidão Física, Estudante

Introduction. Starting from the shortcomings found from previous studies regarding the relationship between physical factors and technical abilities in football, so the background for us to make this research. Purpose. This study aims to determine the relationship between waist flexibility and long passing ability in Tunas Putra Payakumbuh Football School (SSB) players. Research Methodology. By choosing a research subject from SSB Tunas Putra Payakumbuh, we hope to contribute to the understanding of the aspects of physical fitness that affect players' technical abilities. This study is a correlational research. The population in this study consisted of all SSB Tunas Putra Payakumbuh players totaling 64 people. The sampling technique used was purposive sampling, resulting in a sample of 20 players. The instruments in this study include: 1) sit and reach test, and 2) long passing ability test. Data analysis was carried out using simple correlation statistical analysis or product moment, followed by multiple correlation analysis. Research Result. It shows that waist flexibility correlates with the long passing ability of Tunas Putra Payakumbuh Youth Soccer Club players by 72.60%. An in-depth understanding of this relationship is expected to improve the approach to coaching football players, with a focus on aspects of physical flexibility that can have a positive impact on technical ability, especially on long passing ability.

The use of exercise in sports must be right on target on the physical component needed. Similarly, hurdling not only utilizes speed, but requires strength to get maximum results. The purpose of the study was to analyze the effects arising from the use of Running ABC exercises combined with Bodyweight Training. The study design used a two-group post-test pre-test of 22 trained male subjects enrolled in the study. The first stage includes initial tests to see initial ability and as a basis for determining the treatment group which is divided into two groups with ordinally paired patterns A-B-B-A for group alignment. Group 1 was given Running ABC exercises, and Group 2 Running ABC exercises were combined with Bodyweight Training. Each group was trained for 16 meetings. The test instrument used is a 50yard sprint over obstacles by measuring the speed of the athlete's travel time. The data analysis technique used was a difference test with IBM SPSS 24 statistics. The results of the study were obtained from data analysis there was a significant difference between group 1 who only used Running ABC exercises with group 2 who used Running ABC exercises combined with Bodyweight Training exercises with a difference value of 0.043<0.05. This means that running abc (agility, balance, and coordination) and body weight training are significant in increasing the running speed of hurdling athletes, but combining body weight training and running abc (agility, balance and coordination) is more effective than training using only one type of physical component exercise. By combining running abc exercises and body weight training, trainers can improve their athletes' overall fitness and technique, effectively improving balance, coordination, and functional strength. El uso del ejercicio en el deporte debe ser justo en el objetivo en el componente físico necesario. Del mismo modo, las vallas no solo utilizan la velocidad, sino que requieren fuerza para obtener los máximos resultados. El objetivo del estudio fue analizar los efectos derivados del uso de ejercicios Running ABC combinados con Bodyweight Training. El diseño del estudio utilizó una prueba previa de dos grupos de 22 sujetos masculinos entrenados inscritos en el estudio. La primera etapa incluye pruebas iniciales para ver la capacidad inicial y como base para determinar el grupo de tratamiento, que se divide en dos grupos con patrones ordinalmente pareados A-B-B-A para la alineación del grupo. Al grupo 1 se le administraron ejercicios de Running ABC, y al grupo 2 se le administraron ejercicios de Running ABC se combinaron con entrenamiento de peso corporal. Cada grupo fue entrenado para 16 reuniones. El instrumento de prueba utilizado es un sprint de 50 yardas sobre obstáculos midiendo la velocidad del tiempo de viaje del atleta. La técnica de análisis de datos utilizada fue una prueba de diferencias con estadística IBM SPSS 24. Los resultados del estudio se obtuvieron a partir del análisis de los datos, existió una diferencia significativa entre el grupo 1 que solo utilizó ejercicios de Running ABC con el grupo 2 que utilizó ejercicios de Running ABC combinados con ejercicios de Bodyweight Training con un valor de diferencia de 0,043<0,05. Esto significa que correr abc (agilidad, equilibrio y coordinación) y el entrenamiento con el peso corporal son importantes para aumentar la velocidad de carrera de los atletas con vallas, pero combinar el entrenamiento con el peso corporal y el abc (agilidad, equilibrio y coordinación) es más efectivo que entrenar con un solo tipo de ejercicio físico. Al combinar los ejercicios de running abc y el entrenamiento con peso corporal, los entrenadores pueden mejorar el estado físico y la técnica general de sus atletas, mejorando efectivamente el equilibrio, la coordinación y la fuerza funcional.

A low level of hemoglobin is one of the health and fitness issues often experienced by anyone including students. If a student experiences a disorder of Hemoglobin levels, his physical fitness will be affected. The study aims to examine the effect of jogging exercise to improve students' hemoglobin levels. A quasi-experiment method was employed in this study. The population of this study is a group of students of the Faculty of Sports Science, Universitas Negeri Padang. The samples of this study were 20 students obtanined by purposive sampling technique. The data of hemoglobin levels were measured by the cyanmethemoglobin method. Jogging exercises were carried out 18 times with a frequency of 3 times a week. The results of the study were analyzed statistically using a comparison test (t-test) at a significance level (α) of 5%. The results of this study indicated that the average of hemoglobin level of respondents before being treated was 14.18, while after being given treatment, it was 15.66. This means that there is a significant effect of jogging exercise on increasing students' haemoglobin level (Hb), with value of tobserved (3.80) > ttable (1.73).

The use of exercise in sports must be right on target on the physical component needed. Similarly, hurdling not only utilizes speed, but requires strength to get maximum results. The purpose of the study was to analyze the effects arising from the use of Running ABC exercises combined with Bodyweight Training. The study design used a two-group post-test pre-test of 22 trained male subjects enrolled in the study. The first stage includes initial tests to see initial ability and as a basis for determining the treatment group which is divided into two groups with ordinally paired patterns A-B-B-A for group alignment. Group 1 was given Running ABC exercises, and Group 2 Running ABC exercises were combined with Bodyweight Training. Each group was trained for 16 meetings. The test instrument used is a 50yard sprint over obstacles by measuring the speed of the athlete's travel time. The data analysis technique used was a difference test with IBM SPSS 24 statistics. The results of the study were obtained from data analysis there was a significant difference between group 1 who only used Running ABC exercises with group 2 who used Running ABC exercises combined with Bodyweight Training exercises with a difference value of 0.043<0.05. This means that running abc (agility, balance, and coordination) and body weight training are significant in increasing the running speed of hurdling athletes, but combining body weight training and running abc (agility, balance and coordination) is more effective than training using only one type of physical component exercise. By combining running abc exercises and body weight training, trainers can improve their athletes' overall fitness and technique, effectively improving balance, coordination, and functional strength. Keyword: Exercise, Bodyweight Training, Running ABC, Hurdles.

The research aimed to investigate the effect of oxygen saturation on students before and after physical basketball training. This research employed an experimental method with a one-group pretest-posttest research design. A total of 40 students, comprising 21 female students aged 18-20 years and 19 male students aged 18-20 years, participated in the research. Respondents were given treatment in the form of a 5 vs. 5 basketball game for 20 minutes. The saturation value was measured using a pulse oximetry device. Oxygen saturation was measured before exercise and after exercise. The statistical analysis technique used the t-dependent sample test with a significance level of 5%. The results of this study showed that the average oxygen saturation of male students at the pre-test was 96.47% and 95.47% at the post-test. For female students, the average pre-test oxygen saturation was 96.29% and 95.10%. Overall, the average oxygen saturation value before exercise was 96.38% and decreased after exercise to 95.28%. Based on the results of statistical calculations, there was no notable change in oxygen saturation values after basketball physical training (t-observation 2.157 < t-tabie 2.44). There was no notable change in oxygen saturation after physical exercise or a decrease in oxygen saturation, indicating that basketball training did not necessitate an increased oxygen uptake by the tissue. During the period, the peripheral appeared to function normally with no observed rise in oxygen uptake. Based on the research results, a physical exercise carried out for 20 minutes did not affect oxygen saturation.

Black Soldier Fly (BSF) maggot is an eco-friendly alternative for animal feedstuff and its growth and development is impacted by a substrate nutrient. Therefore, this study aims to determine the production and nutrient composition of BSF (Hermetia illucens) maggots using different fermented growth media from agriculture by-products. The study adopted a completely randomized design (CRD) consisting of 5 treatments with 4 replications. The treatments include P0 = 100% Fermented Rice Bran, P1 = 50% each of Fermented Coconut by-product and Rice Bran, P2 = 50% each of Fermented Tofu by-product and Rice Bran, P3 = 50% each of Fermented Palm Kernel Meal and Rice Bran, P4 = 25% each of Fermented Rice Bran, Coconut by-product, Fermented Tofu by-product, and Palm Kernel Meal. The results showed a significant difference in BSF maggot production in each treatment because of the media nutrient content. Therefore, the quantity is influenced by the quality and amount of the maggot growing media. Also, the protein content and the production in the P4 treatment have the highest values of 19.26% and 831.50g, respectively.