Longakit J, Aque FJ, Toring-Aque L, Lobo J, Ayubi N, Mamon R, Coming L, Padilla DK, Mondido CA, Sinag JM, Geanta VA, Sanjaykumar S. The effect of a 4-week plyometric training exercise on specific physical fitness components in U21 novice volleyball players. Pedagogy of Physical Culture and Sports. 2025;29(2):86-95. https://doi.org/10.15561/26649837.2025.0202