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المصدر: The Journal of school health. 79(10)
مصطلحات موضوعية: medicine.medical_specialty, Adolescent, media_common.quotation_subject, Physical fitness, Physical activity, Self-concept, Motor Activity, Education, Developmental psychology, Child Development, medicine, Body Image, Humans, Child, media_common, Physical Education and Training, business.industry, Public health, Public Health, Environmental and Occupational Health, Self-esteem, Adolescent Development, Physical activity level, Self Concept, United States, Philosophy, Female, Psychology, business, Psychosocial, Body mass index, Clinical psychology, Sports