Exercising in Hot Weather

Heat injuries range from mild forms to more serious types, including heat exhaustion and heatstroke.

Heatstroke — when the body's sweating mechanism quits, the skin become hot and dry, and the body loses most fluids — can be life-threatening.

The American Academy of Orthopaedic Surgeons offers these suggestions for exercising safely in hot weather:

  • Drink plenty of fluids even when you're not thirsty, and take frequent breaks during exercise.
  • Get your body in good shape before hot weather hits.
  • Limit outdoor exercise to early in the morning or late in the evening, avoiding the midday hours.
  • Exercise more slowly and less vigorously for longer periods.
  • Wear lightweight clothing, and avoid heavy gear.
  • If someone looks like they're having a heat injury, seek immediate medical attention.

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