Functional training (FT) promotes benefits in various physical abilities; however, its effect on autonomic modulation, cardiorespiratory parameters and quality of life in the healthy adult population is unknown, and thus, the aim of this study was to evaluate the influence of FT on these variables in healthy young women. The study consisted of 29 women, distributed into two groups: the FT Group (FTG; n = 13; 23 ± 2·51 years; 21·90 ± 2·82 kg m(-) ²) and the Control Group (CG; n = 16; 20·56 ± 1·03 years; 22·12 ± 3·86 kg m(-) ²). The FTG performed periodized FT for 12 weeks, three times a week. The following were evaluated: autonomic modulation (heart rate variability), cardiorespiratory parameters and quality of life (SF-36 Questionnaire). The Student's t-test for unpaired data or the Mann-Whitney test was used to compare the differences obtained between the final moment and the initial moment of the studied groups (P<0·05). The FTG demonstrated significant improvements in quality of life and autonomic modulation (P<0·05), but not in the cardiorespiratory parameters. Functional training was able to produce improvements in autonomic modulation and quality of life.
BackgroundGeometric methods provide an analysis of autonomic modulation using the geometric properties of the resulting pattern, and represent an interesting tool in the analysis of heart rate variability (HRV). The aim of this study was to evaluate the impact of functional training on cardiac autonomic modulation in healthy young women using the geometric indices of HRV.MethodsData were analyzed from 29 women, and were stratified into a functional training group (FTG, n = 13; 23.00 ± 2.51 years; 21.90 ± 2.82 kg/m2) and a control group (CG, n = 16; 20.56 ± 1.03 years; 22.12 ± 3.86 kg/m2). The FTG received periodized functional training for 12 weeks. The cardiac autonomic modulation of both groups was evaluated before and after this training, and a qualitative analysis was performed using the Poincaré plot.ResultsThere was a significant increase in the difference of the triangular index (RRTri), SD1, SD2, and RR intervals in the FTG as compared to the CG, and the qualitative analysis from the Poincaré plot showed an increase in the dispersion of beat-to-beat and long-term RR intervals in the functional group after training. No changes were observed in the triangular interpolation of RR interval histogram (TINN) or SD1/SD2.ConclusionFunctional training had a beneficial impact on autonomic modulation, as characterized by increased parasympathetic activity and overall variability, thus highlighting the clinical usefulness of this type of training.
Introduction: Functional resistance training (FRT) is becoming increasingly popular to improve physical fitness of practitioners, however, yet there are gaps in knowledge about effectiveness of FRT in relation conventional resistance training (CRT) in several ambits, as musculoskeletal complaints. Objective: Compare the effect of FRT and CRT in the musculoskeletal discomfort and magnitude of gain in muscle strength in healthy women. Methods: 52 women was divided into three groups, FRT (n = 15; 22 ± 2.35 years): functional resistance training; CRT (n = 14; 22.5 ± 1.78 years): conventional resistance training and CG (n = 13; 20.6 ± 1.10 years): no type of intervention. The training was periodized in 30 sessions over 12 weeks with 3 sessions per week. For the muscle strength variable used the 1RM test and for the musculoskeletal discomfort variable, the Nordic Musculoskeletal Questionnaire (NMQ). Regarding the statistical analysis, all results took into consideration a 5% level of significance. Results: Considerable gain in muscle strength was observed for all exercises in both training groups. In addition, there was a tendency in CRT to relate a more musculoskeletal discomfort; presented 27.3% more complaints compared FRT in the MNQ. Conclusion:
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