The Relationship Between Kinematic Indicators of the Ball-Catching and Landing-Stabilization Phases and the Technical Performance of Defensive Follow-Up Among Junior Basketball Players (Under 18 Years of Age)
DOI:
https://doi.org/10.31185/wjoss.1213Keywords:
Biomechanics, Kinematics, Defensive Rebound, Basketball, Youth, Motion Analysis, Technical Performance.Abstract
This study aimed to identify the kinematic variables in the ball-catching and landing-stability phases and their relationship with the technical performance level of defensive rebounding in U-18 basketball players. The researcher adopted the descriptive survey method. The sample consisted of 29 elite Iraqi youth players, selected purposively. Field procedures included applying a standardized defensive rebound test and recording motor performance using high-speed digital cameras (120 fps) positioned at lateral and rear angles to ensure visual accuracy and spatial calibration. Video footage was processed digitally using Kinovea software to extract targeted indicators with high precision: center of mass height at catch, time-to-ball, peak ascent, and landing time. Technical performance was evaluated using an analytical form validated by three expert referees, and outliers were excluded to ensure objectivity. Data were statistically processed using SPSS and Pearson correlation coefficient. The study concluded that the skill is a sequential motor process relying more on functional jumping efficiency and temporal accuracy than theoretical height. Results showed statistical significance for center of mass height at possession, shorter time-to-ball, and regulated landing time as critical factors for successful technical performance. This highlights the pivotal role of the torso in mechanical linkage between phases and the importance of neuromuscular control in shock absorption and immediate transitional readiness.
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