Analysis of Movement Variability During the Spike Jump Action in Young and High-Level Female Volleyball Players: Differences Between Categories and Playing Positions. - Català, Jordi; Moras, Gerard; Toro-Román, Víctor; Buxadé, Carla Pérez-Chirinos; Tuyà-Viñas, Silvia; Fernández-Valdés, Bruno (Journal of Functional Morphology & Kinesiology, 2025)