Muscle Vibration as a Countermeasure Against Hypoactivity-induced

Inclusion Criteria: * Men and women. * Aged 18 to 45 years. * Body Mass Index (BMI) between 20 and 25 kg/m². * Engaging in at least 1.5 hours per week of physical activity (e.g., brisk walking, running, swimming, cycling). * Provided informed consent after receiving detailed information about the study. * Affiliated with or beneficiaries of a social security system Exclusion Criteria: * Chronic cardiovascular, neuromuscular, bone, metabolic, and/or inflammatory disorders. * Personal history and/or risk factors for thrombosis. * Use of antidepressant medications. * Use of neuroactive substances likely to alter corticospinal excitability (e.g., hypnotics, antiepileptics, psychotropics, muscle relaxants) during the study. * Recent bone or ligament trauma within the past 12 months. * Inability to perform the physical efforts required for the study. * Recent participation in a sporting competition or intense, unusual physical activity within the past month. * Corticosteroid treatment within the past 3 months. * Any skin lesions at the planned vibrator application site. * Simultaneous participation in another interventional medical study. * Pregnant or breastfeeding women. * Individuals unable to understand the purpose and conditions of the study or unable to provide informed consent. * Individuals deprived of liberty or under guardianship