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Characterization of muscle oxygenation response in well-trained handcyclists

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European Journal of Applied Physiology Aims and scope Submit manuscript

Abstract

Purpose

 Peripheral responses might be important in handcycling, given the involvement of small muscles compared to other exercise modalities. Therefore, the goal of this study was to compare changes in muscle oxygen saturation (∆SmO2) and deoxyhemoglobin level (∆[HHb]) between different efforts and muscles.

Methods

 Handcyclists participated in a Wingate, a maximal incremental test and a 20-min time-trial (TT). Oxygen uptake (VO2) as well as ∆SmO2, ∆[HHb], deoxygenation and reoxygenation rates in the triceps brachii (TB), biceps brachii (BB), anterior deltoid (AD) and extensor carpi radialis brevis (ER) were measured.

Results

 ER ∆[HHb]max was 37% greater in the incremental test than in the Wingate (ES = 0.392, P = 0.031). TT mean power (W/kg) was associated with BB ∆SmO2min measured in the incremental test (r = −0.998 [−1.190, −0.806], P = 0.002) and in the Wingate (r = −0.994 [−1.327, −0.661], P = 0.006). MAP (W/kg) was associated with Wingate BB ∆SmO2min (r = −0.983 [−0.999, −0.839], P = 0.003), and Wingate peak (r = 0.649 [0.379, 0.895], P = 0.008) and mean power (W/kg) (r = 0.925 [0.752, 0.972], P = 0.003) was associated with right handgrip force. The strongest physiological predictor for TT performance was BB ∆SmO2min in the incremental test (P = 0.002, r= 0.993, SEE 0.016 W/kg), Wingate BB ∆SmO2min for MAP (P = 0.003, r= 0.956, SEE 0.058 W/kg) and right handgrip force for Wingate peak power (P = 0.005, r= 0.856, SEE 0.551 W/kg).

Conclusion

 Peripheral aerobic responses (muscle oxygenation) were predictive of handcycling performance.

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Data availability

All data generated or analyzed during this study are included in this published article (see Supplementary material section).

Abbreviations

AD:

Anterior deltoid

ANOVA:

Analysis of variance

BB:

Biceps brachii

ER:

Extensor carpi radialis brevis

ES:

Effect size

[HbO2]:

Oxyhemoglobin level

[HHb]:

Deoxyhemoglobin level

HR:

Heart rate

MAP:

Maximal aerobic power

NIRS:

Near-infrared spectroscopy

O2 :

Oxygen

Q:

Cardiac output

RER:

Respiratory exchange ratio

RPE:

Rating of perceived exertion

RR:

Respiratory rate

SCI:

Spinal cord injury

SmO2 :

Muscle oxygen saturation

TB:

Triceps brachii

[THb]:

Total hemoglobin content

TT:

Time-trial

VE:

Minute ventilation

VO2peak:

Peak oxygen uptake

VT:

Tidal volume

References

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Acknowledgements

We thank coaches, athletes and personnel from INS Québec and CSI Calgary who were involved in the study.

Funding

This study was funded by the Institut National du Sport du Québec Under Grant No. PRIDI 65.

Author information

Authors and Affiliations

Authors

Contributions

VFP acted as the main author of the article, MP acted as a co-author and AB as co-author and last author. The protocol was developed by MP. VFP oversaw the recruitment of participants, the tests administration, the data analysis and interpretation, and the redaction of the manuscript. MP helped in each one of these steps. AB contributed to the data analysis and in the redaction.

Corresponding author

Correspondence to Veronica Furno Puglia.

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Conflict of interest

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Additional information

Communicated by Ellen Adele Dawson.

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Supplementary Information

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Supplementary file1 (DOCX 57 KB)

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Furno Puglia, V., Paquette, M. & Bergdahl, A. Characterization of muscle oxygenation response in well-trained handcyclists. Eur J Appl Physiol (2024). https://doi.org/10.1007/s00421-024-05524-0

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  • DOI: https://doi.org/10.1007/s00421-024-05524-0

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