Monitoring the volume and intensity of physical load is essential in elite women`s futsal to optimize performance and prevent injuries. However, external load indicators such as PlayerLoad may underestimate critical moments in competition where the intensity and volume of accelerations and decelerations sharply increase. This study aimed to identify and characterize such critical moments by analyzing the interaction between current score, playing position, match half, and location on acceleration and deceleration volume (distance, km/h) and intensity (peak, m/s2). Thirteen elite female futsal players (age: 29.9 ± 5.1 years; height: 164.96 ± 4.22 cm; body mass: 60.31 ± 4.56 kg) competing in the Spanish First Division were analyzed over a full season. All match accelerations and decelerations recorded with WIMU PRO™ inertial devices were processed using four Linear Mixed Models (LMMs). Significant interactions emerged across all models. Volume increased when winning, particularly among pivots, while intensity rose during adverse conditions, especially when losing at home. Interindividual variability was minimal (ICC < 1%). Physical load in women`s futsal follows two situational patterns: volume increases when leading, and intensity peaks when trailing. Identifying these critical moments provides insight beyond total load metrics, offering guidance for individualized and context-specific injury prevention.
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