20.500.12556/RUL-134244 Gender-related differences in mechanics of the sprint start and sprint acceleration of top national-level sprinters (1) Background: Within the current study we aimed at exploring gender-related differences and the relationship between sprint start block kinematics and kinetics and sprint acceleration force–velocity (F-v) relationship parameters (maximal force [F0], maximal velocity [v0], maximal power [Pmax] and slope) in top national-level sprinters. (2) Methods: Twenty-eight sprinters (6 females) performed 10 maximal 30-m sprints. Start block and acceleration kinematics and kinetics were collected with an instrumented sprint start block and a laser distance sensor (KiSprint system). Displacement-time data were used to determine the F-v relationship through Samozino’s method. (3) Results: Start block rear foot maximal force (effect size [ES] = 1.08), rate of force development (ES = 0.90–1.33), F$_0$ (ES = 1.38), v$_0$ (ES = 1.83) and P$_{max}$ (ES = 1.95) were higher in males than in females (p ≤ 0.05). There were no differences in the slope, and ratio of horizontal-to-resultant force. F$_0$, v$_0$, and P$_{max}$ generally presented higher correlations with the start block kinetics (median r [range] = 0.49 [0.28, 0.78]) than with the kinematics (median r [range] = −0.27 [−0.52, 0.28]). (4) Conclusions: We confirmed that sprint block phase and sprint acceleration mechanics should be mutually assessed when analyzing sprinting performance. KiSprint system could provide more accurate information regarding mechanical pattern and technique during sprint initiation and acceleration, and potentially help create a more personalized and effective training program. force-velocity relationship force platform kinematics kinetics track-and-field razmerje sila-hitrost plošča za merjenje sil na podlago kinematika kinetika atletika true false true Angleški jezik Slovenski jezik Članek v reviji 2022-01-03 12:43:45 2022-01-03 12:43:51 2022-09-13 03:54:08 0000-00-00 00:00:00 2020 0 0 11 str. iss. 18, art. 6447 Vol. 17 2020 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 796.012 1660-4601 10.3390/ijerph17186447 27479555 RAZ_Mirkov_Dragan_2020.pdf RAZ_Mirkov_Dragan_2020.pdf 1 11BA4886F6A200FFF5C9417E2840CD15 bbaf62cd1e67ae7d7a9af015437e8af2493526db81248b428442aa9e45d81e7c 851006e4-6c8a-11ec-abdb-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=152596 https://www.mdpi.com/1660-4601/17/18/6447 1 426d83fb-6c8a-11ec-abdb-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=152594 Fakulteta za šport 0 0 0