Target Heart Rate and Cardio Monitoring for Safe Workouts

Maintaining a healthy resting heart rate is a key indicator of cardiovascular health, especially during high-intensity HIIT or IVF. Learn how to lower your heart rate while running and evaluate the accuracy of calories burned on heart rate monitors.

Numbness in the Big Toe While Running

If your toe goes numb during a run, take a look at your shoes before you jump to any conclusions. Tight shoes and tight lacings can compress your nerves and cause you to lose sensation in your toes, including your big toe.

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