![train smarter with HRV guidance](https://www.firstbeat.com/wp-content/uploads/2017/03/header-vesterinen-800x429.jpg)
Smarter Endurance Training with Heart Rate Variability Guidance
The ability to predict how a particular individual will react to a training protocol in advance is a critical step in getting training prescriptions right.
The ability to predict how a particular individual will react to a training protocol in advance is a critical step in getting training prescriptions right.