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Combined effects of very short “all out” efforts during sprint and resistance training on physical and physiological adaptations after 2 weeks of training

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Abstract

Purpose

The aim of this study was to compare the combined effects of resistance and sprint training, with very short efforts (5 s), on aerobic and anaerobic performances, and cardiometabolic health-related parameters in young healthy adults.

Methods

Thirty young physically active individuals were randomly allocated into four groups: resistance training (RTG), sprint interval training (SITG), concurrent training (CTG), and control (CONG). Participants trained 3 days/week for 2 weeks in the high-intensity interventions that consisted of 6–12 “all out” efforts of 5 s separated by 24 s of recovery, totalizing ~ 13 min per session, with 48–72 h of recovery between sessions. Body composition, vertical jump, lower body strength, aerobic and anaerobic performances, heart rate variability (HRV), and redox status were evaluated before and after training. Total work (TW), rating of perceived exertion (CR-10 RPE) and mean HR (HRmean) were monitored during sessions. Incidental physical activity (PA), dietary intake and perceived stress were also controlled.

Results

Maximum oxygen consumption (VO2max) significantly increased in SITG and CTG (P < 0.05). Lower body strength improved in RTG and CTG (P < 0.05), while countermovement jump (CMJ) was improved in RTG (P = 0.04) only. Redox status improved after all interventions (P < 0.05). No differences were found in TW, PA, dietary intake, and psychological stress between groups (P > 0.05).

Conclusions

RT and SIT protocols with very short “all out” efforts, either performed in isolation, or combined, demonstrated improvement in several physical fitness- and health-related parameters. However, CT was the most efficient exercise intervention with improvement observed in the majority of the parameters.

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Abbreviations

α1:

Detrended fluctuations of short-term fractal scaling

BPSS-10:

Brazilian 10-item version of the perceived stress scale

CAT:

Catalase

CMJ:

Countermovement jump

CO2 :

Carbon dioxide

CT:

Concurrent training

CTG:

Concurrent training group

CONG:

Control group

CR-10:

RPE Category-ratio 10 scale rating of perceived exertion

EE:

Energy expenditure

GSH:

Glutathione reduced

HIIT:

High-intensity interval training

HRV:

Heart rate variability

IPAQ:

International physical activity questionnaire

MF:

Mean force

MP:

Mean power

MV:

Mean velocity

P max :

Maximum power

PP:

Peak power

RER:

Respiratory exchange ratio

RT:

Resistance training

RTG:

Resistance training group

RMSSD:

Root mean square of successive differences between R–R intervals

RPMmax :

Maximal pedaling rate

SDNN:

Standard deviation of all R–R intervals

SIT:

Sprint interval training

SITG:

Sprint interval training group

SOD:

Superoxide dismutase

TBARS:

Thiobarbituric acid reactive substances

TW:

Total work

UA:

Uric acid

VE:

Ventilation

VO2max :

Maximum oxygen consumption

References

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Acknowledgements

We would like to thank Arilson de Sousa, Danielle Garcia, Fernanda Rodrigues, Leticia Freire, Lysleine Deus, Gabriela Thomaz and Lucas Pinheiro for their help during the data collection. This work was funded by Conselho Nacional de Desenvolvimento Científico e Tecnológico (PQ2, PQ1B), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior and Agencia Nacional de Investigación e Innovación.

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Authors and Affiliations

Authors

Contributions

SB-F, DAB, and TSR conceived the study design. SB-F, ARM, and TSR conducted the experiments. SB-F and EI-S conducted the statistical analyses. SB-F, EI-S, TSR, KD and DAB interpreted the results. SB-F, FAV, EI-S, TSR, ARM, KD and DAB: wrote the manuscript. All authors read and approved the final manuscript version.

Corresponding author

Correspondence to Daniel A. Boullosa.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Additional information

Communicated by Anni Vanhatalo.

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Benítez-Flores, S., Medeiros, A.R., Voltarelli, F.A. et al. Combined effects of very short “all out” efforts during sprint and resistance training on physical and physiological adaptations after 2 weeks of training. Eur J Appl Physiol 119, 1337–1351 (2019). https://doi.org/10.1007/s00421-019-04125-6

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  • DOI: https://doi.org/10.1007/s00421-019-04125-6

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