Fitness & Movement
Heart Rate Zones: How to Calculate and Why Zone 2 Matters
How to set heart rate training zones without a lab test, why 220 minus age is unreliable, how the Karvonen method works, and what Zone 2 actually builds.
14 min read
#running
2 articles
Fitness & Movement
Running for Beginners: Start Without Wrecking Your Knees
An eight-week run-walk plan with exact intervals, why beginners get injured by volume rather than form, and what research says about running and knees.
14 min read