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Background: The purpose of this study was to analyze the effects of daily non-linear periodization (DNLP) and flexible (FNLP) models on maximal and submaximal strength, vertical jump and speed performance gains after 12 weeks of Brazilian army skydivers. Methods: Twenty-one recreationally trained men were randomly divided into three groups: DNLP (n = 7; age 32.71 ± 8.53; height: 1.74 ± 0; weight: 81.57 ± 11.97), FNLP (n = 6; age 26.50 ± 7.18; height: 1.71 ± 0.05 and weight: 75.50 ± 12.73) and a control (CG. N = 8; age = 18.87 ± 0.59; height = 1.73 ± 0.046; weight = 71.67 ± 5.34). Before and after the 12 week of training each participant was evaluated for maximal (1-RM) and submaximal strength (8-RM) of bench press (BP) and leg press (LP) exercises, squat jump (SJ) and countermovement jump (CMJ) performance and speed test over 5 m, 60 m and 100 m. Results: The DNLP and FNLP groups showed similar increases for 1-RM and 8-RM loads in BP and LP exercises, respectively (p ≤ 0.05). Similar SJ and CMJ performance noted in posttest between FNLP and DNLP groups (p ≤ 0.05). Both CG and FNLP groups showed an augmentation in time-performance of 60 m and 100 m speed test, respectively (p ≤ 0.05). However, for 5 m speed test, similar decreasing in time-performance during posttest was noted under DNLP (p = 0.001) and FNLP (p = 0.002) groups. Conclusion: The DNLP and FNLP models were equally effective in improving 5 m speed performance, maximal and submaximal strength after 12 weeks training period with recreationally trained Brazilian army skydivers.

international journal of sports and exercise medicine

Effects of Daily and Flexible Non-Linear Periodization on Maximal and Submaximal Strength, Vertical Jump and Speed Performance of Brazilian Army Skydivers