Evaluation of Vastus Medialis Muscle Inhibition in Indoor Soccer Players With and Without ACL Injury

Inclusion Criteria: * Age between 18 and 45 years old * Playing in the Spanish National League (first or second category) or in the Madrid Futsal Federation in PRIMERA RFFM and PREFERENTE. * Both sexes * Have been playing futsal for at least 2 years * Enrolled in the Madrid Health System * Any language Exclusion Criteria: * Operations other than an Anterior Cruciate Ligament injury (Cartilage, Meniscus, Ligaments). * Injuries to the knee of the contralateral lower limb. (sprains, fracture) * Muscle injuries or conditions in the affected or contralateral limb for less than 2 months (sprains, tibial periostitis, tendinopathies, tears). * Any infection must be reported after the intervention and will be excluded from the study. * Players will not be allowed to play any kind of team sport other than Futsal in an official way during this season. * Players may not have any cardiovascular or respiratory pathology that would affect the study. * Players who have already undergone an Anterior Cruciate Ligament rupture in previous years will not be considered.