Does Listening to Music Alter the Running Mechanics?

Inclusion Criteria: * Healthy subjects * Age 18-35 years * Level of fitness: Moderate level (ACTIVE) according to the classification of the American College of Sports Medicine depicting "Moderate" as either of the following 3 criteria: * 3 or more days of vigorous activity of at least 20 minutes per day OR * 5 or more days of moderate-intensity activity and/or walking of at least 30 minutes per day OR * 5 or more days of any combination of walking, moderate-intensity or vigorous intensity activities achieving a minimum of at least 600 metabolic equivalents (METs) per week. * able to run on a treadmill safely and without bilateral or unilateral support. Exclusion Criteria: * Past or present diseases of the auditory and vestibular system (as assessed by otolaryngological and audiometric examinations). * Traumatology/orthopedic conditions that contraindicate treadmill training.