Efektivitas Latihan Box Jump dalam Meningkatkan Daya Ledak Otot Tungkai Atlet Bola Voli BVC Ambon

Jonas Solissa (Universitas Pattimura, FKIP, Program Studi Penjaskesrek)
Jusak Syaranamual (Universitas Pattimura, FKIP, Program Studi Penjaskesrek)
Stenly Jacob Wenno (Universitas Pattimura, FKIP, Pendidikan Jasmani Kesehatan dan Rekreasi)

MANGGUREBE: Journal Physyical Education, Health and Recreation
Vol 6 No 2 (2025): MANGGUREBE: Journal Physyical Education, Health and Recreation

The objective of this research was to evaluate how box jump training affects lower-limb explosive strength in volleyball players. A pre-experimental approach using a one-group pretest–posttest framework was conducted on ten male athletes from BVC Ambon. Vertical jump performance served as the primary measurement instrument. Statistical testing via a t-test () revealed a significant performance gain post-intervention, with average scores rising from 55.5 to 65—representing a 17.12% improvement. Because the observed t-value () surpassed the critical threshold (), the study concludes that box jump training substantially improves lower-limb muscular power in volleyball athletes.