2. Environmental Factors Chapter 10
Athletic Injuries ATC 222
Environmental Factors
Chapter 10

3. Heat and Cold Exchange Metabolism Conduction Convection Radiation
Evaporation
humidity
decreased at 65%
stops at 75%

4. Cold Exposure Types Contributing Factors Hypothermia Frostbite
clothing
activity
wind
temperature
moisture

5. Frostbite Types Signs and Symptoms Treatment Frostnip Superficial Deep
cold, white, waxy, hard, numb
Treatment

6. Hypothermia
Etiology
Signs and symptoms
Treatment

7. Heat Illness 3 Types Heat Cramps Heat Exhaustion Heat Stroke etiology
signs and symptoms
treatment

8. Heat Exhaustion Etiology Signs and symptoms Treatment
pale, cool, clammy skin
profuse sweating
rapid, weak pulse
dizzy, weak, headache, nausea
normal core temperature
Treatment

9. Heat Stroke Etiology Signs and symptoms Treatment unconscious?
no active sweating
hot, dry, red skin
rapid strong pulse
elevated core temperature (106 F)
dilated pupils
Treatment

10. Prevention acclimatization fluid replacement
before, during, and after activity
45-55 F temperature
identify high risk athletes
weight charts
clothing
playing surface
wind, temperature, and humidity
heat index
sling psychrometer

12. Sport Drinks 5-8% Carbohydrate solution
trace Na, K, Cl (.8g per 8 ounces)

13. Lightning Safety
National Severe Storms Service
Flash to Bang Method

14. The End