Respons Tubuh Terhadap Latihan Fisik Aerobik Overtraining: Kajian Terhadap Kadar Growth Hormone (GH), Insulin-like Growth Factor I (IGF-I), dan Insulin-like Growth Factor Binding Protein 3 (IGFBP-3) pada Serum Tikus Wistar = Body Response to Aerobic Overtraining Exercise: Study of Growth Hormone (GH), Insulin-like Growth Factor I (IGF-I) and Insulin-like Growth Factor Binding Protein 3 (IGFBP-3) levels on Wistar Rat's Serum