Check your heart rate and learn what your max heart rate, resting heart rate, and target heart rate should be.
Pulse: What It Is and How To Check
Resting Heart Rate and Fitness
How to Check Your Heart Rate
Is Your Heart Rate Healthy? Here's How to Find Out - CNET
Get to Know Your Heart Rate: It Might Save Your Life
Resting Heart Rate and Fitness
Heart rate: What's normal? - Mayo Clinic
Taking a Pulse (Heart Rate)
How to check your pulse and heart rate
Watch your heart rate, but don't obsess about it