Penelitian ini dilatarbelakangi oleh belum maksimalnya pembelajaran pendidikan jasmani pada materi atletik dan belum diketahuinya minat siswa terhadap pembelajaran atletik. Penelitian ini bertujuan untuk mengetahui minat siswa kelas VIII SMP Negeri 2 Jenawi Kabupaten Karanganyar dalam mengikuti pembelajaran atletik. Penelitian ini merupakan penelitian dekriptif kuantitatif. Metode yang digunakan adalah metode survei dengan teknik pengumpulan data menggunakan angket. Subjek penelitian ini adalah seluruh siswa kelas VIII kecuali kelas VIII C karena dijadikan sebagai uji coba penelitian, dari 4 kelas dipilih 25 siswa dengan cara diundi, sehingga mendapatkan populasi sebanyak 100 siswa. Teknik analisis yang dilakukan adalah menuangkan frekuensi ke dalam bentuk persentase. Hasil penelitian ini menunjukkan bahwa minat siswa SMP Negeri 2 Jenawi Kabupaten Karanganyar kelas VIII terhadap pembelajaran atletik adalah cukup. Dengan pertimbangan frekuensi terbanyak berada pada kategori sedang dengan persentase 83,00%. Persentase minat siswa SMP Negeri 2 Jenawi Kabupaten Karanganyar kelas VIII terhadap pembelajaran atletik yang berkategori sangat tinggi adalah 0,00%, tinggi 11,00%, sedang 83,00%, kurang 6,00% dan sangat kurang 0,00%. Interest of students of class VIII junior high school on athletic learning Abstract.The background problem of this research because not maximal yet in physical education learning on athletic material and the students' interest in athletic learning was unknown yet. This research aimed to know the students’ interest in athletic learning at the eighth-grade students of SMP 2 Jenawi Karanganyar regency. This research was quantitative descriptive research. The method used in this research was survey method while the technique of collecting the data used questionnaire. The research subject was the whole of eighth-grade students except VIII C class because it was used as a research trial, from four classes was chosen 25 students randomly, it got a population of 100 students. The technique of analyzing the data used the frequency in the form of the percentage. The result of the research showed that students’ interest in athletic learning at the eighth-grade students of SMP Negeri 2 Jenawi Karanganyar regency was enough. With consideration of the most frequency was enough with the percentage 83%. The percentage of students’ interest in athletic learning at the eighth-grade students of SMP Negeri 2 Jenawi Karanganyar regency who had the highest category was 0,00%, high 11,00%, enough 83%, low 6,00% and the lowest was 0,00%.
The objective of this research is to determine the effectiveness of athletic learning in junior high school. This descriptive study employs a mixed method design, combining quantitative and qualitative data as primary and secondary data. This study sample consisted of 100 junior high school physical education teachers in Yogyakarta and East Java who were chosen as the best athletic development centers in Indonesia based on the results of the O2SN competition for junior high schools over the previous five years. This research instrument, known as QPE, is an online questionnaire based on Walter King Yan Ho's (Quality Physical Education). The results showed that:(1) Quality teaching of the 6 indicators asked, 43.5 percent chose the answer Yes and as many as 56.5 percent chose the answer No. ( 2) Skill Development Bodily Awareness of the eight indicators tested, 45.5 percent chose Yes and 54.5 percent chose No. (3) Cognitive Skill Development: Of the five indicators asked, 40.8 percent chose Yes, while 59.2 percent chose No. (4) Habituated Behavior out of the four indicators tested, 51.5 percent chose Yes and 48.5 percent chose No.According to the findings of this study, the majority of respondents still find it difficult to meet the quality of physical education learning for athletic material because the average "yes" answer is 45.33%, which falls into the poor quality category.
Latihan Interval (LI) merupakan salah satu metode latihan untuk meningkatkan dan mempertahankan kemampuan/kecepatan berlari dalam jarak dan waktu tempuh yang sudah ditentukan. Penelitian ini bertujuan menemukan gambaran respons fisiologis dan biolemis Kadar β-endorfin terhadap LI dengan berbagai macam intensitas latihan (tinggi, sedang, dan rendah) pada sprinter dan non- sprinter Metode. Penelitian ini menggunakan metode eksperimen semu yang terdiri dari tiga tahap pelaksanaan pengukuran. Subjek penelitian ini adalah sprinter UKM 17 orang dan kelompok non-sprinter 15 orang. Setiap kelompok dibagi menjadi tiga kelompok yang lebih kecil berdasarkan intensitas latihan, yaitu kelompok latihan intensitas tinggi, sedang, dan rendah. Penelitian dilakukan dengan pengukuran karakteristik fisik berupa TB, BB, dan tes kecepatan lari 100 m serta pengambilan sampel darah sebanyak 3 kali 5 ml, untuk mengukur respons β-endorfin pada kondisi intensitas tinggi, sedang dan rendah sebelum. Data diambil sebelum diberi LI, selama LI, dan setelah istirahat 30 menit. Analisis data dilakukan menggunakan metode ELISA dengan uji statistik anova. Hasil dan kesimpulan. Hasil penelitian menunjuk bahwa dalam kelompok sprinter dan non sprinter dan non-sprinter tidak terdapat perbedaan yang bermakna terhadap peningkatan kadar β-endorfin. Akan tetapi terdapat peningkatan bermakna persentase kadar β-endorfin pada kelompok intensitas tinggi dibandingkan kelompok intensitas sedang dan rendah. Baik untuk kelompok sprinter maupun non-sprinter. Waktu istirahat 30 menit setelah LI belum cukup untuk mengembalikan kadar β-endorfin ketingkat awal. Molecular response endorphins against interval exercise with various intensity in sprinter AbstractInterval Exercise (LI) is one of the training methods to improve and maintain the ability or and speed of running in the distance and the time that has been determined. This study aims to find a depiction of physiological and biochemical responses of endorphins levels to LI with various intensity of exercise high, medium, and low on sprinter and non-sprinter. This research uses a quasi-experimental method which consists of three stages of a measurement implementation. The subjects of this research are the sprinter Activity sports unit of college Universitas Negeri Yogyakarta consist of 17 people and the non-sprinter group of 15 people. Each group is divided into three smaller groups based on the intensity of the exercise are high-intensity group, medium, and low. The study was conducted by measuring physical characteristics in the form of HB, WB, and 100m run a speed test and blood sampling as much as 3 times 5 ml to measure the response of endorphins in high, medium, and low-intensity constancy. The data were taken before being given LI, during LI, and after 30 minutes break. The analysis was done using the ELISA method with an ANOVA statistic test. The result and the conclusion. The results showed that in the sprinter and non-sprinter groups there was no significant difference in elevated endorphin levels. However, there was a significant increase in the percentage of endorphins in high-intensity groups compared to the medium and low-intensity groups, both for sprinter and non-sprinter groups. Rest time 30 minutes after the LI is not enough to restore the level of endorphins to the initial level.
Growing evidence has indicated a positive association between physical activity and cardiorespiratory fitness (i.e., maximal aerobic capacity or VO2 max). Limited evidence, however, is available among adolescents. This research aimed to predict VO2 max based on the physical activity level and estimate the discriminant capacity of the physical activity levels on the VO2 max status among adolescents. This research was a cross-sectional study in 141 adolescents (age 19±1 year old, 83% male). The VO2 max was assessed using the 1-mile run test. Physical activity was measured using the International Physical activity Questionnaire-Long Form. Multiple linear regression was conducted to predict the VO2 max using physical activity level data (in metabolic equivalent of tasks (Mets/week), sex, and body mass index (BMI). The discriminant capacity of the total and domain-specific physical activity in discriminating high and low VO2 max was estimated with the area under the curve (AUC). The Youden Index determined cut-off points, sensitivity, and specificity. Multiple regression analysis revealed a significant predicting equation of VO2 based on total physical activities, BMI, and sex. The equation explained a significant proportion of VO2 max variances. The total and domain-specific physical activity significantly discriminated low and high VO2 max status, while the highest AUC was based on total physical activity, followed by other physical activity domains. A cut-off of total physical activity levels for predicting the VO2 max was successfully generated, with high sensitivity and specificity. Adequate evidence, thus, supports the prediction of VO2 max based on self-reported physical activity levels among adolescents.
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