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Effects of trunk stretching using an exercise ball on central arterial stiffness and carotid arterial compliance

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European Journal of Applied Physiology Aims and scope Submit manuscript

Abstract

Purpose

Acute or regular stretching exercises reduce arterial stiffness, but whether stretching exercises per se can reduce central arterial stiffness remain controversial. Recent studies have suggested that mechanical stimulation of arteries can directly modulate arterial stiffness, rather than causing systemic effects. Thus, this study aimed to examine the effects of trunk stretching using an exercise ball on central arterial stiffness and carotid arterial compliance.

Methods

Twelve healthy young adults participated in two different trials for 30 min each in random order on separate days: a resting and sitting trial (CON); and supervised passive trunk stretching using the exercise ball (EB). In EB, subjects preformed six types of passive trunk stretching using the exercise ball. At each site, passive stretching was held for 30 s followed by a 30-s relaxation period, repeated 5 times during the 30-min trial. In CON, subjects rested on a comfortable chair for 30 min.

Results

After the experiment, carotid-femoral pulse wave velocity was significantly reduced in EB, but not in CON (EB vs. CON: −4.5 ± 1.2% vs. 0.2 ± 0.9%; P < 0.05). Carotid arterial compliance was also significantly increased in EB, but not in CON (EB vs. CON: 38.4 ± 11.4% vs. 4.1 ± 9.4%; P < 0.05). Supplemental experiments also confirmed that stretching of lower extremity did not reduce carotid-femoral pulse wave velocity.

Conclusion

Our findings indicate that acute, direct trunk stretching using an exercise ball reduces central arterial stiffness and increases carotid arterial compliance in young healthy men.

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Abbreviations

ANOVA:

Analysis of variance

ANCOVA:

Analysis of covariance

baPWV:

Brachial-ankle pulse wave velocity

BMI:

Body mass index

BP:

Blood pressure

CAVI:

Cardio-ankle vascular index

cfPWV:

Carotid-femoral pulse wave velocity

CON:

Control trial

CV:

Coefficients of variation

EB:

Exercise ball trial

ES:

Effect size

haPWV:

Heart-ankle pulse wave velocity

HR:

Heart rate

PP:

Pulse pressure

PWV:

Pulse wave velocity

SL:

Stretching of lower extremity

References

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Acknowledgments

We sincerely thank the study participants for their cooperation. This study was supported in part by JSPS KAKENHI to MN (19K22830).

Author information

Authors and Affiliations

Authors

Contributions

Conceived and designed the study: ST, MI, and MN. Performed the study: HI, ST, NO, YT, AM, and MN. Analyzed the data: HI, ST, NO, YT, AM, MI, and MN. Wrote the paper: HI, ST, and MN. Interpreted the data: HI, ST, AM, MI, NM, MI, TN, and MN. All authors approved the final version of the article.

Corresponding author

Correspondence to Masato Nishiwaki.

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Conflict of interest

The authors declare that there is no conflict of interests regarding the publication of this article.

Data availability statement

The raw data supporting the conclusions of this article will be made available by the authors, without undue reservation. Because Ethics Committee of our institution restricted for participant privacy protection, our raw data cannot be shared publicly via on-line network.

Additional information

Communicated by I. Mark Olfert.

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Cite this article

Ikebe, H., Takiuchi, S., Oi, N. et al. Effects of trunk stretching using an exercise ball on central arterial stiffness and carotid arterial compliance. Eur J Appl Physiol 122, 1205–1216 (2022). https://doi.org/10.1007/s00421-022-04912-8

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  • DOI: https://doi.org/10.1007/s00421-022-04912-8

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