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The acute effects of interrupting prolonged sitting with stair climbing on vascular and metabolic function after a high-fat meal

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European Journal of Applied Physiology Aims and scope Submit manuscript

Abstract

Purpose

Frequent consumption of high-fat meals and prolonged sedentary time are prevalent lifestyles that have been associated with an increased risk of vascular and metabolic complications. This study evaluated the acute effects of interrupting prolonged sitting with stair climbing on vascular and metabolic function after a high-fat meal.

Methods

In a randomized, cross-over trial, 12 healthy adults (age:  23.5 ± 2.9 years) consumed a high-fat meal, followed by either 1) a 4-h uninterrupted sitting (sitting trial) or 2) a 4-h sitting interrupted with a 5-min stair climbing (average intensity: 66% of heart rate reserve) every hour (interrupted trial). Plasma triglyceride and glucose concentrations, as well as popliteal artery blood flow and shear rate were assessed at baseline and every hour after a high-fat meal, whereas brachial artery flow-mediated dilation was assessed at baseline and again at the end of each trial.

Results

Plasma triglyceride and glucose concentrations increased after a high-fat meal and returned to baseline at the end of both trials. Following a high-fat meal, brachial artery flow-mediated dilation decreased in the sitting trial, but not in the interrupted trial (sitting trial: 9.65 ± 2.63% to 7.84 ± 2.36%; interrupted trial: 9.41 ± 2.61% to 10.34 ± 3.30%, p = 0.009 for interaction). Compared with the sitting trial, the interrupted trial improved popliteal blood flow and shear rate (p = 0.004 and p = 0.008 for interaction, respectively).

Conclusions

These findings suggest that interrupting prolonged sitting with stair climbing may be an effective lifestyle strategy to prevent against vascular dysfunction that might occur as a result of prolonged sitting after consuming a high-fat meal in young healthy adults.

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Abbreviations

AUC:

Area under the curve

BP:

Blood pressure

DBP:

Diastolic blood pressure

FMD:

Flow-mediated dilation

HR:

Heart rate

RPE:

Rating of perceived exertion

SBP:

Systolic blood pressure

References

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Acknowledgements

The study had no external financial support.

Funding

This work was supported by the Ministry of Education of the Republic of Korea and the National Research Foundation of Korea (NRF-2016 S1A 5A2A 03928101).

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Authors and Affiliations

Authors

Contributions

All authors had access to the data in the study and take full responsibility for the integrity of the data and the accuracy of the data analysis. MJC and SYJ contributed to the study design and wrote the manuscript. HJK and ESY provided critical scientific and editorial contributions to the manuscript draft. All authors took part in the analysis and interpretation of data, and critically revised the manuscript for important intellectual content. KB was largely responsible for supervising the drafting of the manuscript and providing critical scientific contributions. All authors read and approved the manuscript.

Corresponding author

Correspondence to Sae Young Jae.

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Conflict of interest

We have no conflicts of interest to disclose.

Additional information

Communicated by Fabio Fischetti.

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Cho, M.J., Bunsawat, K., Kim, H.J. et al. The acute effects of interrupting prolonged sitting with stair climbing on vascular and metabolic function after a high-fat meal. Eur J Appl Physiol 120, 829–839 (2020). https://doi.org/10.1007/s00421-020-04321-9

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  • DOI: https://doi.org/10.1007/s00421-020-04321-9

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