Oxygène sanguin vs oxygène musculaire pour l’entraînement : quelle est la différence ?

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Blood Oxygen vs Muscle Oxygen for Training: What is the Difference?

Feb 26, 2024,, By Michael Grant White

Confused between Blood Oxygen Saturation (SpO2) and Muscle Oxygen Saturation (SmO2)? Find out the differences here.

Blood Oxygen vs Muscle Oxygen for Training

A common misconception we often see is athletes using the metrics blood oxygen saturation (SpO2) and muscle oxygen saturation (SmO2) interchangeably. Both measure oxygen, however, they measure in different parts of the body and mean very different things with regards to optimizing athletic performance.

Blood Oxygen Saturation

Have you ever gotten your vitals taken at the doctor's office? If the answer is yes, you’ve probably had your blood oxygen saturation (SpO2) measured using a small fingertip pulse oximeter.

SpO2 refers to the oxygen saturation in the blood (arteries), and typical values fall between 95-99% at any given time. SpO2 can be affected by many factors, such as altitude, asthma, or heart disease and readings below 90% are considered abnormally low. SpO2 is very informative for a general health assessment but less valuable in most training situations because it gives no indication about where the oxygen is being delivered and how your muscles are actually using the available oxygen.

Muscle Oxygen Saturation

Muscle oxygen saturation (SmO2), on the other hand, gives an indication of the balance between oxygen delivery and consumption in the muscles.

It is a localized snapshot of how the muscles are using oxygen in real-time and is a critical metric to help athletes pace themselves during any workout as well as help prescribe warm-up, recovery and intervals during training sessions.

I used to use the pulse oximeter but always wanted something I could integrate with movement, especially dynamic movement. The fingertip pulse oxy is too inconvenient and unwieldy.

So, I was delighted to learn about the Moxymonitor. It offers a much deeper, more real-time measurement of the Oxygen saturation of our largest muscle mass and as well gives insight into whether one is using up too much oxygen during exercise and essentially over or under-training, all in real time.

It is also a valuable adjunct to your TurboOxygen System where we exercise with many times more oxygen than in the air we breathe and unlike our competitors, the high percentage is maintained regardless of how fast or often we breathe, resulting in incredibly enhanced stamina, mental toughness, faster recovery times and improved cellular strength.