# Glossary

Local Muscle Activity/SMO2:

SmO2 testing is a valuable tool for understanding how muscles respond to various physiological stressors and how to fine-tune training, nutrition and hydration accordingly. Monitoring changes in tissue oxygen saturation and utilization helps identify an individual's optimal intensity to work at, as well as how well they recover between bouts of intensity. This can help optimize training to improve performance, prevent overtraining, and tailor strategies for better results.

During competitions, athletes can also use SmO2 data to pace themselves effectively. Adjusting intensity based on muscle oxygenation can help prevent premature fatigue and optimize race outcomes

# Body Fat Percent Master Chart