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Journal : JSKK (Jurnal Sains Keolahragaan dan Kesehatan)

Pengaruh Latihan Double Leg Speed Hop Terhadap Power Otot Tungkai Atlet Karate Dojo Kodim 1001 Amuntai Mahmudah, Mahmudah; Dirgantoro, Edwin Wahyu; Arifin, Syamsul
JSKK (Jurnal Sains Keolahragaan dan Kesehatan) Vol 9 No 1 (2024)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jskk.2024.9.1.9

Abstract

The sport of karate is a form of self-defense and is considered a discipline that facilitates physical and mental balance and improves health. The sport of karate also requires a good physical condition, because physical condition is the foundation of sports achievement. Plyometric training has proven to be an effective method for improving a number of physical qualities such as strength and jump height. The purpose of this study was to determine the effect of Double Leg Speed Hop Exercise on leg muscle strength of Dojo Kodim 1001 Amuntai participants. The methodology used is one group pretest-posttest design using pre-experiment design and quantitative approach. the use of data collection methods before and after the test. Using SPSS 23, data analysis procedures include homogeneity test, normality test, descriptive statistics, and hypothesis testing. The results obtained from testing using mean scores, data analysis and hypothesis testing resulted in findings that increased significantly from 150.73 to 155.47. Using the sign. (2-tailed) of 0.000 <0.05 obtained from the hypothesis test, it can be concluded that Hα is accepted and Ho is rejected. Based on the computational findings and descriptive statistical values of the pre and post tests, it can be concluded that the Double Leg Speed Hop exercise has an influence on the ability of Dojo Kodim 1001 Amuntai players to increase leg muscle strength in karate sports.
Dampak Game Online Terhadap Kebugaran Jasmani Siswa Sekolah Dasar Negeri Simpang Empat 2 Alifandi, Muhammad Ridho; Dirgantoro, Edwin Wahyu; Fauzan, Lazuardy Akbar
JSKK (Jurnal Sains Keolahragaan dan Kesehatan) Vol 10 No 1 (2025)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jskk.2025.10.1.8

Abstract

This study aims to analyze the impact of online gaming on physical fitness by exploring the relationship between the duration of gaming and physical health. The research employed a correlational method with a quantitative approach, and participants were selected using purposive sampling. The instrument used in this. study was the Nusantara Student Fitness Test (TKPN), which included a series of tests such as the V Sit and Reach, Squat Thrust, Sit-Up, and PACER Test. Data were analyzed using non-parametric statistical methods, specifically Spearman’s correlation. The results revealed that there was no significant relationship between online gaming and physical fitness, with a significance value of 0.111 (> 0.05) and a correlation coefficient of 0.266. This indicates a very weak and statistically insignificant relationship between the two variables. In conclusion, there is no significant correlation between online gaming and the physical fitness levels of students