Exercise Intensity and Muscle Oxygenation in Ski-Mountaineering Athletes
Author Information
Author(s): Kinga Rębiś, Tomasz Kowalski, Kamil Michalik, Andrzej Klusiewicz
Primary Institution: Institute of Sport—National Research Institute, Warsaw, Poland
Hypothesis
NIRS-based measurements may optimize the transfer of laboratory test results conducted in normoxia to hypoxic conditions.
Conclusion
The study found that SmO2-based intensity prescriptions can be fairly transferred between normoxic and hypoxic conditions for well-trained ski-mountaineering athletes.
Supporting Evidence
- 73.3% of MLSS assessments were performed without a bLa increase over 1 mmol·L−1.
- Significant differences in heart rate were found between normoxia and hypoxia at equivalent SmO2.
- SmO2 monitoring provides real-time feedback on exercise intensity.
Takeaway
This study shows that using a special device to measure muscle oxygen can help athletes train better in different altitudes, making their workouts more effective.
Methodology
The study involved 15 male ski-mountaineering athletes performing graded-intensity run tests in both normoxia and hypoxia to assess muscle oxygenation and exercise intensity.
Potential Biases
The study used convenience sampling, which may introduce selection bias.
Limitations
The sample size was small and only included male athletes, limiting generalizability.
Participant Demographics
All participants were well-trained male ski-mountaineering athletes aged approximately 29.7 years.
Statistical Information
P-Value
0.005
Confidence Interval
95% CI: −0.24, 0.85
Statistical Significance
p = 0.005
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website