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., Zulrafli
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Kontribusi Explosive Power Otot Lengan Dan Koordinasi Mata Tangan Terhadap Kemampuan Servis Atas Pada Siswa Putra Ekstrakurikuler Bolavoli Di MTS Muhammadiyah 02 Pekanbaru ., Adinda Aulia Firna Dewi; ., Zulrafli
Jurnal Pendidikan, Sains Dan Teknologi Vol. 2 No. 1 (2023): Januari - Maret
Publisher : CV. ITTC INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jpst.v2i3.1165

Abstract

The purpose of this study was to determine the contribution of explosive power of the arm muscles and eye hand coordination to the upper service ability of 18 male extracurricular volleyball students at MTS Muhammadiyah 02 Pekanbaru. This type of research is correlational research. The sampling technique in this research is purposive sampling, which is a sampling technique with certain considerations. male students in the volleyball extracurricular can be directed and can serve the volleyball.The research instrument used was a test to measure the explosive power of the arm muscles, namely the two hand medicine ball put test, the test to measure eye hand coordination was the throwing and catching test of a tennis ball, and the volleyball service skill test. The data analysis technique used is the Pearson product moment correlation technique and multiple correlation. The conclusions in this study are: 1) there is a contribution of explosive power of the arm muscles (X1) to the upper service ability of male students in the volleyball extracurricular activity at MTS Muhammadiyah 02 Pekanbaru with a correlation coefficient percentage of 38.68% , 2) there is a contribution of eye hand coordination (X2) to the upper service ability of male extracurricular volleyball students at MTS Muhammadiyah 02 Pekanbaru with a correlation coefficient percentage of 25.2%, 3) there is an explosive power contribution arm muscle and eye hand coordination (X1 X2) on upper service ability (Y) in male volleyball extracurricular students at MTS Muhammadiyah 02 Pekanbaru with a correlation coefficient percentage of 41.9%.
Kontribusi Explosive Power Otot Tungkai Dan Kecepatan Lari Terhadap Hasil Lompat Jauh Gaya Jongkok Siswa Kelas VII SMP Muhammadiah I Pekanbaru Yadikha, Fadilla Putri; ., Zulrafli
Jurnal Pendidikan, Sains Dan Teknologi Vol. 3 No. 1 (2024): Januari - Maret
Publisher : CV. ITTC INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jpst.v3i1.1517

Abstract

The aim of this research was to determine the contribution of leg muscle explosive power and running speed to the long jump results of squatting style for class VII students at SMP Muhammadiah 1 Pekanbaru. This type of research is correlational research. The population in this study was class VII students at SMP Muhammadiah 1 Pekanbaru, totaling 31 male and female students. The sample used in this research was only male students, totaling 18 students. The instruments used were the standing broad jump test, 30 meter sprint and long jump test. The conclusions of this research are: 1) There is a contribution of leg muscle explosive power to the squat style long jump results of Class VII Students of Muhammadiah I Middle School Pekanbaru. The calculated r value = 0.656. The coefficient of determination = 43.0%. 2) There is a contribution of running speed to the long jump results of the squat style of Class VII Students of SMP Muhammadiah I Pekanbaru. The calculated r value = 0.503. The coefficient of determination = 25.3%. 3) There is a contribution of leg muscle explosive power and running speed to the squat style long jump results of Class VII Students of Muhammadiah I Middle School Pekanbaru. The calculated r value = 0.698. The coefficient of determination = 48.7%.
Perbandingan Hasil Dribble Shooting Dan Dribble Jump Shoot Pada Peserta Ekstrakurikuler Bola Basket Di SMAN 3 Mandau Rizaldi, Muhammad Ramadani; ., Zulrafli
Jurnal Pendidikan, Sains Dan Teknologi Vol. 3 No. 1 (2024): Januari - Maret
Publisher : CV. ITTC INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jpst.v3i1.1559

Abstract

The aim of this research was to determine the differences in the results of dribble jumpshoot in basketball extracurricular participants at SMAN 3 Mandau. This type of research is comparative desciptive research. The sample for this research was 20 basketball extracurricular participants at SMAN 3 Mandau. The data collection technique was carried out by looking at the practice of basketball extracurricular participants using the dribble shooting and dribble jumpshoot tests. The results of this study showed that the results of dribble jumpshoot were better than dribble shooting with a known t count of 11,859 > 2,262 an a significant probability of 0,00 < 0,05, then the H0 is rejected and Ha is accepted,therefore there is a significant difference between the results of dribble shooting and dribble jumpshoot in basketball extracurricular participants at SMAN 3 Mandau.
Co-Authors ., Adinda Aulia Firna Dewi Rizaldi, Muhammad Ramadani Yadikha, Fadilla Putri