HR
Heart Rate
Short definition
HR — heart rate (beats per minute).
Full definition
HR is the number of heartbeats per minute: resting 60–100 (normal), 40–60 in trained individuals. HR zones dose aerobic load (warm-up 50–60 %, aerobic 60–70 %, anaerobic 80–90 % of max = 220 − age).
Examples
Aerobic zone: HR 130 at age 30 (max 190).