ارتباط بین مدت زمان شرکت در مسابقات با میزان بالیدگی، ظرفیت هوازی، توان بی هوازی، توان انفجاری، هورمون رشد و فاکتور شبه انسولین و عوامل پیش بینی کننده مدت زمان شرکت در مسابقات در بازیکنان فوتبال نخبه زیر 15 سال پسر

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