Effects of Plyometric Training Method and Motor Ability on Lower-Limb Power in Junior High School Futsal Players: A 2×2 Factorial Study

Rindi Pista Dewa; Siti Ayu Risma Putri; Putri Cicilia Kristina

doi:10.56741/IISTR.ijlree.002047

Authors

Rindi Pista Dewa Universitas PGRI Palembang
Siti Ayu Risma Putri
Sitiayurisma@gmail.com
Universitas PGRI Palembang https://orcid.org/0009-0008-3372-7093
Putri Cicilia Kristina Universitas PGRI Palembang https://orcid.org/0000-0001-6803-4133

DOI:

https://doi.org/10.56741/IISTR.ijlree.002047

Keywords:

2×2 Factorial Design, Lower-Limb, Motor Ability, Plyometric Training, Power Futsal Players

Abstract

Lower-limb power is essential for futsal because players repeatedly sprint, accelerate, decelerate, change direction, and jump, yet school-based extracurricular programs need training that is both effective and feasible for students with different readiness levels. This study examined whether the plyometric training method (squat jump vs. lunge-based plyometrics) and motor ability level (high vs. low) were associated with changes in lower-limb power in a junior high school futsal extracurricular program. Using a quasi-experimental 2×2 factorial framework, 40 students from SMP YPS Prabumulih City, Indonesia, completed a supervised plyometric program delivered over 16 sessions (four sessions per week) from October to November 2025. Motor ability testing classified students into high and low groups, and lower-limb power was assessed using a vertical jump test before and after training. Vertical jump scores increased significantly in all groups (p < 0.001): squat jump–low motor ability from 40.4 (SD 3.31) to 51.8 (SD 3.19), lunges–low from 37.0 (SD 3.30) to 47.9 (SD 2.60), squat jump–high from 36.9 (SD 4.04) to 48.2 (SD 4.37), and lunges–high from 44.2 (SD 2.53) to 54.8 (SD 2.20). These findings provide practical, school-context evidence that both plyometric options can be implemented and are linked with meaningful improvements across motor ability levels; however, conclusions about comparative superiority and interaction effects are limited by the single-site design and absence of a non-training control group. Future multi-site controlled studies with explicit factorial testing are recommended to confirm effectiveness and clarify method-by-motor-ability interactions.

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Author Biographies

Rindi Pista Dewa, Universitas PGRI Palembang

is a Master’s student in the Physical Education Program at Universitas PGRI Palembang. His academic interests focus on sports performance, physical conditioning, and physical education learning strategies. He actively participates in research activities related to student fitness, training methods, and sports development in educational settings. (email: rindipistadewa20@gmail.com).

Siti Ayu Risma Putri, Universitas PGRI Palembang

is a lecturer in the Master’s Program in Physical Education at Universitas PGRI Palembang. Her academic expertise includes sports pedagogy, physical training, and educational research methodology. She has contributed to various studies related to physical education, sports performance, and student development. (email: sitiayurisma@gmail.com).

Putri Cicilia Kristina, Universitas PGRI Palembang

is a Master’s student in the Physical Education Program at Universitas PGRI Palembang. Her research interests include sports science, athlete development, and innovative approaches in physical education. She has been involved in several academic projects focusing on exercise training, motor skills, and student physical fitness. Putri is dedicated to advancing knowledge in sports education and supporting evidence-based practices for improving athletic and educational performance. (email: putrick@univpgri-palembang.ac.id).

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