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A short set configuration attenuates the cardiac parasympathetic withdrawal after a whole-body resistance training session

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European Journal of Applied Physiology Aims and scope Submit manuscript

Abstract

Purpose

We aimed to analyse the acute effects of set configuration on cardiac parasympathetic modulation and blood pressure (BP) after a whole-body resistance training (RT) session.

Methods

Thirty-two participants (23 men and 9 women) performed one control (CON) and two RT sessions differing in the set configuration but with the same intensity (15RM load), volume (200 repetitions) and total resting time (360 s between sets for each exercise and 3 min between exercises): a long set configuration (LSC: 4 sets of 10 repetitions with 2 resting minutes) and a short set configuration session (SSC, 8 sets of 5 repetitions with 51 resting seconds). Heart rate variability, baroreflex sensitivity, the low frequency of systolic blood pressure oscillations (LFSBP), BP and lactatemia were evaluated before and after the sessions and mechanical performance was evaluated during exercise.

Results

LSC induced greater reductions on cardiac parasympathetic modulation versus SSC after the session and the CON (p < 0.001 to p = 0.024). However, no LFSBP and BP significant changes were observed. Furthermore, LSC caused a higher lactate production (p < 0.001) and velocity loss (p ≤ 0.001) in comparison with SSC.

Conclusion

These findings suggest that SSC attenuates the reduction of cardiac parasympathetic modulation after a whole-body RT, improving the mechanical performance and decreasing the glycolytic involvement, without alterations regarding vascular tone and BP.

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Abbreviations

15RM:

15-Repetition maximum load

5LFR:

Last five to the first five repetition velocity ratio

BEI:

Baroreflex effectiveness index

BP:

Blood pressure

BPV:

Blood pressure variability

BPR:

Bench press

BRS:

Baroreflex sensitivity

CON:

Control session

DBP:

Diastolic blood pressure

HF:

High frequency in absolute values

HFn.u.:

High frequency in normalised units

HR:

Heart rate

HRV:

Heart rate variability

KE:

Knee extension

LFSBP:

Low frequency of systolic blood pressure

LSC:

Long set configuration session

Lt:

Capillary blood lactate concentration

MAP:

Mean arterial pressure

MMR:

Average mean propulsive velocity to maximum velocity ratio

MPV:

Mean propulsive velocity

PI:

Pulse interval

RMSSD:

Root mean square of differences between adjacent pulse interval

RT:

Resistance training

RTE:

Relative treatment effect

SBP:

Systolic blood pressure

SDNN:

Standard deviations of normal-to-normal pulse intervals

SQ:

Parallel squat

SSC:

Short set configuration session

References

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Acknowledgements

We express our gratitude to the participants and the collaborators for their efforts throughout the study. This work has been partially supported by the European Regional Development Fund (ERDF), through the IACOBUS programme—Research stay 6th edition from the European Association of International Cooperation Galicia-North of Portugal, and by an INDITEX-UDC 2019 stay abroad grants for pre-doctoral students.

Author information

Authors and Affiliations

Authors

Contributions

EIS, MR, and XM conceived and designed research. MRA and EIS conducted experiments. MRA and EIS analysed data. MRA, EIS, XM, JM, and JDK drafted and critically revised the manuscript.

Corresponding author

Correspondence to Eliseo Iglesias-Soler.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable standards.

Informed consent

Written informed consent was obtained from all individual participants included in the study.

Additional information

Communicated by Guido Ferretti.

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Cite this article

Rúa-Alonso, M., Mayo, X., Mota, J. et al. A short set configuration attenuates the cardiac parasympathetic withdrawal after a whole-body resistance training session. Eur J Appl Physiol 120, 1905–1919 (2020). https://doi.org/10.1007/s00421-020-04424-3

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  • DOI: https://doi.org/10.1007/s00421-020-04424-3

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