20.500.12556/RUL-183096 Relationship between single-leg countermovement jump height, technique, and hip strength in elite handball players Single-leg jumping is a fundamental movement in sports and is frequently used for performance assessment and injury risk evaluation. However, the specific kinetic and kinematic factors influencing jump performance remain unclear. This study aimed to examine the relationships between sagittal and frontal plane kinematic variables, maximal and explosive isometric hip strength, and single-leg countermovement jump (SLCMJ) performance. We assessed eighty elite handball players who performed SLCMJs on force plates, with jumps being video recorded from both the sagittal and frontal planes. Maximal and explosive hip adduction, abduction, extension, and flexion strength were assessed using an isometric dynamometer. Correlation analysis revealed significant relationships (p < 0.05) between maximal hip abductor strength and sagittal plane hip flexion angle (r = −0.23), femur inclination (r = −0.27), and shin inclination (r = 0.23). Explosive adduction strength was significantly correlated (p < 0.05) with frontal plane trunk angle (r = −0.29) and trunk inclination (r = −0.33). A significant negative correlation (p < 0.05) was also observed between femur inclination and jump height (r = −0.30). However, no significant relationship (p > 0.05) was found between hip strength variables and jump height. These findings suggest that while isometric hip strength influences movement kinematics during SLCMJs, its direct impact on jump height is limited. Based on the results of the present study, other factors likely contribute to jump performance outcomes and should be investigated further. sport hip strength RFD jump performance unilateral jump video assessment handball šport moč kolka RFD izvedba skoka enostranski skok video ocena rokomet true false true Angleški jezik Slovenski jezik Članek v reviji 2026-06-04 11:15:49 2026-06-04 11:15:51 2026-06-07 03:23:24 0000-00-00 00:00:00 2025 0 0 14 str. iss. 9, art. 4651 Vol. 15 2025 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 796.322 2076-3417 10.3390/app15094651 239509251 applsci-15-04651.pdf applsci-15-04651.pdf 1 EA7F0EC54F90872C82DE263E58F2F9E2 f66af224c4e4bc1aee1b1f0b4bc2cccb9b1d122770bd5ea31f5cae43243aaf84 a9a18807-5ff9-11f1-b0ab-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=234950 https://www.mdpi.com/2076-3417/15/9/4651 1 a0ccdbb9-5ff5-11f1-b0ab-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=234949 Fakulteta za šport 0 0 0