Introduiction: The purpose of this study was to investigate the anabolic hormonal adaptation after different order of concurrent training in older women.
Materials and methods: 40 healthy elderly women (age: 60.34±0.82, height: 155±0.01 cm, weight:71.72±1.89 kg And BMI: 29.45±0.63) were randomly placed into four groups, strength + endurance (S+E) (n=10), endurance + strength (E+S) (n=9) interval training (IT) (n=12) and control (n=9) groups. Training program done eight week, 3 times per week. Endurance training done on a cycle ergometer (intensity: 61-88 % MHR) and strength training involved several upper and lower body workout(intensity:40-75 1RM, 8-18 repeat). IGF-1, GH, insulin, norepinephrine and testosterone were assessed 24 hours before and 48 hours after training period.
Results: The results showed that IGF-1 increased significantly in E+S and S+E groups (P≤0.05). In all groups GH, insulin and norepinephrine concentrations did not significantly changed (P≥0.05). Testosterone serum concentrations significantly decrease after S+E training group (P≤0.05). Results of one-way ANOVA showed that testosterone was significantly different between E+S and IT training programs.
Conclusion: According to the results of this study, order of combined training could influence anabolic hormonal adaptation induce by exercise training and the degree of percentage of these changes was more in E+S group rather than other groups.