Mulyana
Universitas Pendidikan Indonesia

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The Effect of Core Stability Exercises on The Accuracy of Jump Serve Volleyball Athletes Rizal Hidayat; Dikdik Zafar Sidik; Mulyana
Journal of Physical Education Health and Sport Vol. 12 No. 1 (2025)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpehs.v12i1.30570

Abstract

This study aimed to investigate the effect of core stability exercises on the accuracy of jump serves in volleyball athletes. The research was conducted using a quasi-experimental design with a two-group pre-test and post-test approach. The participants consisted of volleyball athletes from the Star Sport Rancaekek Club, who were divided into an experimental group and a control group. The experimental group received a five-week core stability training program, while the control group continued their regular training routine. Jump serve accuracy was measured using the AAHPER Serving Accuracy Test. Data analysis showed that the experimental group demonstrated a significant improvement in serve accuracy compared to the control group. These findings indicate that core stability training effectively enhances body balance, postural control, and coordination—key components in executing accurate jump serves. The results highlight the importance of incorporating core stability exercises into volleyball training programs, especially for improving specific technical skills. This study contributes to the field of sports coaching by offering practical insights into effective methods for developing skill-based performance in young volleyball athletes. 
Pengaruh Metode Complex Training Terhadap Peningkatan Power Otot Tungkai pada Atlet Pencak Silat Nasywa Alfiyyah Keumala; Mulyana; Oktoviana Nur Ajid
Gelanggang Olahraga: Jurnal Pendidikan Jasmani dan Olahraga (JPJO) Vol. 9 No. 5 (2026): Gelanggang Olahraga: Jurnal Pendidikan Jasmani dan Olahraga
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/34wftw38

Abstract

This study aimed to analyze the effect of the complex training method on lower limb power in pencak silat athletes. This study employed a quantitative approach using a One-Group Pretest–Posttest Design. The participants consisted of 10 pencak silat athletes from SPA Cimahi, aged 17–19 years, selected through purposive sampling. The complex training program was conducted for 6 weeks with a frequency of three training sessions per week. Lower limb power was assessed using the Vertical Jump Test. Data were analyzed using the Shapiro–Wilk test and the Wilcoxon Signed Rank Test. The results showed an Asymp. Sig. (2-tailed) value of 0.004 (p < 0.05), indicating that the complex training method had a significant effect on improving lower limb power in pencak silat athletes. Therefore, complex training can be considered an effective training method for improving lower limb power in pencak silat athletes. Keywords: Complex Training, Pencak Silat, Lower Limb Power, Vertical Jump Test