JMPO
Vol. 7 No. 1 (2026): Jurnal Master Penjas & Olahraga (JMPO)

Effects of Stability Ball Training on Flexibility in Adolescents: A School-Based Intervention Study

Risky Amelia (Universitas Lambung Mangkurat)
Mita Erliana (Universitas Lambung Mangkurat)
M. Mulhim (Universitas Lambung Mangkurat)
Recky Ahmad Haffyandi (Universitas Lambung Mangkurat)



Article Info

Publish Date
28 Jun 2026

Abstract

This study aims to determine the effect of gym ball training on improving the bridge ability of students at SMPN 3 Gambut. This study employed a quantitative approach with a pre-experimental method using a one-group pretest and posttest design. The study sample consisted of 24 eighth-grade A students selected using purposive sampling. Data were collected through bridge ability tests administered before and after the treatment. The data were then analyzed using descriptive statistics, the Shapiro-Wilk normality test, and the Wilcoxon Signed-Rank Test. The results showed that the mean pretest score of 49.79 increased to 66.88 on the posttest, representing an increase of 17.09 points. The Wilcoxon Signed-Rank Test showed a significance value of 0.000 < 0.05. Therefore, it can be concluded that gym ball training has a significant effect on improving the bridge ability of students at SMPN 3 Gambut.

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Journal Info

Abbrev

jmpo

Publisher

Subject

Education Public Health Other

Description

Jurnal Master Penjas & Olahraga (JMPO) is a forum for publishing various studies that have a study of the scope of the sport, ranging from sports education, sports achievement, recreational sports and health sports in which can cover various fields of science in sports, such as anatomy, physiology, ...