Effects of continuous and interval running training on serum growth and cortisol hormones in junior male basketball players

Büyükyazi, G. and Karamizrak, S. O. and Islegen, Ç. (2003) Effects of continuous and interval running training on serum growth and cortisol hormones in junior male basketball players. Acta Physiologica Hungarica, 90 (1). pp. 69-79. ISSN 0231-424X

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Abstract

Effects of two different eight-week aerobic training programs consisting of continuous (CR) or extensive interval running (IR) on serum growth (GH) and cortisol hormones in 33 male basketball players aged 15-16 were assessed. The CR group ran 4.8 km and the IR group ran 4×1.2 km, using equal work-to-rest ratio, three times per week. Aerobic power scores of all subjects and anaerobic power marks of the training subjects increased (p<0.01). Upon exertion, though serum GH levels increased in both exercise groups (p<0.01) prior to and following training; cortisol levels increased only in the IR group prior to training, and in both exercise groups following training (p<0.05). Following the eight week period, resting cortisol levels rose in the training (p<0.05) and control (p<0.01) groups. To conclude, an 8-week training program consisting of continuous or extensive interval running has been effective on acute GH and cortisol secretion in 15-16 year-old male athletes.

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