External Source

Walkthrough: Using A Lactate Threshold Test To Personalize Heart Rate Zones For Running.

2015 10:16

Are you trying to use heart rate as a tool for your running, but unsure about heart rate zones? Personalizing your HR zones is ...

Choose a download method below. All links open in new tabs.

Service	Features	Action
SaveFrom	MP4 & MP3 • HD Quality • Browser Extension Available	Download

Security Notice: These are third-party services. We recommend using antivirus software and being cautious of pop-up ads.