Hemoglobin is a key performance indicator for athletes.

Training at elevation has a significant effect on hemoglobin levels. Get a better understanding of how changes in hemoglobin at high altitude affect your performance.

Learn about pulse-rate variability and how tracking it over time can help provide additional insights into your adaptation to training load and recovery

Learn how Ember uses advanced science and technology to non-invasively, quickly and accurately measure and track hemoglobin levels in athletes.

Learn how training influences hemoglobin levels in athletes, why finding the ideal range of hemoglobin is essential to endurance, and how Ember allows you to track those changes on a regular basis, pre- and post-workout.

Understand the meaning of trend accuracy and Ember’s repeatability and trend accuracy specs.

How accurate are the measurements captured by Ember’s non-invasive technology?

Learn how posture can affect hemoglobin concentration and why it’s important to maintain a consistent posture each time you take a measurement.