has subject area Animals Anxiety Behavior - Motor Activity Behavioral Symptoms - Stress, Psychological Environment and Public Health - Sex Factors Fear Female Health Care Quality, Access, and Evaluation - Sex Factors Musculoskeletal Physiological Phenomena - Motor Activity Physical Conditioning, Animal Physical Exertion Psychological Phenomena and Processes - Stress, Psychological Rats Rats, Sprague-Dawley Sex Characteristics Social Behavior