Introduction: Aging leads to decline in multiple organ systems associated to hormone alterations and loss of muscle mass and strength. Objective: To evaluate the effects of land and water resistance training on muscle strength, basal serum levels of GH, IGF-1, and IGFBP3 in elderly women. Methods: Subjects were distributed in three groups: land resistance training (LRT; n=10; age: 66.10±2.77 years), water resistance training (WRT; n=10; age: 67.10±3.54 years) and control (CG; n=10; age: 68.80±5.41 years). Muscle strength was assessed with the 1-RM test in bench press (BP) and leg press (LP) exercises. Serum levels of GH, IGF-1, and IGFBP3 were analyzed by chemiluminescence. Results: Repeated measures ANOVA showed elevated muscle strength in the BP only in LRT (∆%=60.2%; p=0.0001) when compared to the CG (∆%=46.73%, p=0.0001) and WRT (∆%=32.49%, p=0.004). LRT and WRT increased muscle strength in LP (∆%LRT=57.14%; p=0.004; ∆%WRT=42.3%; p=0.033). There was an increase in LRT and WRT in the LP when compared to CG (∆%=45.59%, p=0.019; ∆%=43.97%, p=0.026, respectively). IGF-1 was elevated only in LRT (∆%=49.72%, p=0.004) from pre-to post-test and when compared to WRT (∆%=56.76%, p=0.002) and CG (∆%=74.63%, p=0.0001). IGFBP3 levels showed that only WRT increased (∆%=26.79%, p=0.044) from pre-to post-test. The IGF-1/IGFBP3 ratio demonstrated that LRT reached intragroup elevation (∆%=52.66%, p=0.002) and when compared to WRT (∆%=94.11%, p=0.0001) and CG (∆%=73.45%, p=0.0001). There was no significant difference in GH. Conclusion: Land resistance training may provide better anabolic effects in elderly women.

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Effects of two kinds of aerobic training on body fat content and serum lipid profile in cadets Study aim: To assess the effects of aerobic training on body fat content and serum lipid profile. Material and methods: A group of 45 male members of Brazilian Military Police Academy, aged 18 - 32 years, were subjected randomly assigned into 3 subgroups and to 12-week programmes: aerobic fatmax zone training (FG; n = 18), traditional military training (TM; n = 15) and non-training control group (C; n = 12). Body fat content (3 skinfolds), serum lipid profile (total cholesterol, LDL, HDL and triglycerides), waist circumference (WC) and O2max (12-min test) were determined. Results: O2max significantly (p<0.05) increased and body fat content decreased in both experimental group compared with the control one. Significant (p<0.05) reductions in WC and LDL vs. control group were observed in the TM group only. Conclusions: The applied aerobic training induced a decrease in percent body fat irrespectively of the kind of training.

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