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All Journal Gladi : Jurnal Ilmu Keolahragaan
Junaidi
Physical Education, Universitas Negeri Jakarta
Education

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GROUNDSTROKE TRAINING MODEL BASED ON SITUATION GAME FOR FIELD TENNIS ATHLETES AGED 12-14 YEARS Divya Zuhra; Junaidi; Nofi Marlina Siregar
Gladi : Jurnal Ilmu Keolahragaan Vol 12 No 05 (2021): GLADI : JURNAL ILMU KEOLAHRAGAAN
Publisher : UNIVERSITAS NEGERI JAKARTA POSTGRADUATE OF PHYSICAL EDUCATION DEPARTMENTS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (291.803 KB) | DOI: 10.21009/GJIK.125.09

Abstract

This study aims to create a game situation-based groundstroke forehand and groundstroke backhand training model for tennis athletes aged 12-14 years and improve forehand and backhand skills using a game situation-based groundstroke training model for athletes aged 12-14 years. The research method used is the Research & Development Research & Development (R&D) Borg and Gall method. Subjects studied were 15 people and were athletes aged 12-14 years. The results of the pre-test test obtained an average of 31.73. Then, the post-test obtained an average of 40.00. The exercise correlation coefficient before and after the exercise model was given was 0.946 with a p-value of 0.00 < 0.05, so the conclusion was significant. In the mean difference test with SPSS, the mean = 8.26667 shows the difference between the pre-test and post-test, the result of t-count = 26,183, df = 19 and p-value = 0.00<0.05, which means there is a significant difference between before and after being given game situation based groundstroke training model treatment. Based on these results, it can be concluded that the game situation-based groundstroke training model for tennis athletes at the age of 12-14 years is effective and can improve the forehand groundstroke.
The effect of exercise therapy and range of motion (rom) on chronic ankle instability (cai) in pelatda pon xx athletes dki jakarta province Linda Birawati; Junaidi; Ramdan Pelana; Fatah Nurdin
Gladi : Jurnal Ilmu Keolahragaan Vol 13 No 02 (2022): GLADI : JURNAL ILMU KEOLAHRAGAAN
Publisher : UNIVERSITAS NEGERI JAKARTA POSTGRADUATE OF PHYSICAL EDUCATION DEPARTMENTS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (241.512 KB)

Abstract

The purpose of this study is to determine the effect of exercise therapy methods and athlete's ROM on chronic ankle instability (CAI). The research method is an experiment with a treatment by level 2x2 design. The population of the athletes of Pelatda PON XX DKI Jakarta Province who experience chronic ankle sprain is 74 athletes. The number of samples from each level are: group (B1) is 27% of 74 = 19.98 (20) sample and group (B2) is 27% of 74 = 19.98 (20) sample. The research sample was 40 people. Hypothesis testing using the Tukey test. Based on the research results, it can be concluded: 1) there is a significant difference between the A1 and A2 methods on Y. Judging from Fo = 54.269 sig. 0.00<0.05. 2) There is a significant interaction effect between A and B on Y. Judging from Fo = 54.269 sig. 0.00<0.05. 3) there is a significant difference in Y using exercise therapy A1 and A2 in group B1. This is evidenced by the value of sig. 0.00<0.05. 4) there is a significant difference in Y results using exercise therapy A1 and A2 in group B2. It is proven by the value of sig. 0.00<0.05.
Co-Authors Divya Zuhra FATAH NURDIN Linda Birawati Ramdan Pelana Siregar, Nofi Marlina