The Do's and Dont's of Summer
1. Do wear socks made of synthetic fibers that wick moisture away from your skin to help prevent blisters and athlete's foot.
2. Do fit your running shoes or other sports shoes with the type of sock you intend to wear them with.
3. Don't wear sandals when playing sports.
4. Don't go barefoot outside, cuts and bee stings are not fun on your feet.
5. Do wear sport specific running shoes. Running shoes do not have the lateral support needed for tennis. Help yourself avoid ankle sprains and other injuries.
6. Do wear protective shoes or sandals at pools and in locker room showers. This will help you avoid warts and athlete's foot.
7. Do replace your running shoes often, at least every 350 - 450 miles run.
8. Do break in new sport shoes before racing or using them for a long run or workout.
9. Do use sunscreen to prevent solar injury to your skin.
10. Do be careful in the heat. Don't forget proper and regular fluid replacement. Most recommendations call for about 8 oz. every 20 minutes. Try to avoid running in the middle of the day. Remember that running outside on Code Red Bad Air Days does not improve your health.
Avoiding Heat Stress Injury
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Hydration: Drink adequate fluid 30 - 45 minutes before exercise and then a cupful every 10 - 15 minutes while exercising. After exercise drink more fluid than you think you need. Especially if you are over 40. Your thirst mechanism, does not appear to be as effective a gauge of your water needs as you age. Drinking fluid, while exercising and after completion will help speed your recovery. Sport replacement drinks are superior to water at longer distances and times (over 60 - 90 minutes). The electrolytes and carbohydrates in them will also help speed your recovery from the stress of fluid loss and your long distance run. Somehow they do seem to taste great in the heat and the good taste encourages you to drink more and replace your fluids.Drink adequate fluid 30 - 45 minutes before exercise and then a cupful every 10 - 15 minutes while exercising. - Acclimatization: Gradually build up your tolerance for running in warmer weather.
- Stay Fit and don't overestimate your level of fitness: Individuals with a higher VO2 Max are more tolerant of heat tolerance than those with a lower level of fitness.
- Watch your health: Make sure you are aware of both medical conditions that you have and medications that can affect your tolerance of exercise in the heat. Medical conditions affecting your heat tolerance include diabetes, high blood pressure, anorexia nervosa, bulimia, obesity and fever.
- Dress Cool: Wear light weight shorts and a singlet rather than a tea shirt, to permit evaporation of perspiration.
Heat Index:
Derived from temperature and relative humidity
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The Heat Index Table
Relative Environmental temperature (F)
Humidity(%) 70 75 80 85 90 95 100 105 110 115 120
0% 64 69 73 78 83 87 91 95 99 103 107
10% 65 70 75 80 85 90 95 100 105 111 116
20% 66 72 77 82 87 93 99 105 112 120 130
30% 67 73 78 84 90 96 104 113 123 135 148
40% 68 74 79 86 93 101 110 123 137 151
50% 69 75 81 88 96 107 120 135 150
60% 70 76 82 90 100 114 132 149
70% 70 77 85 93 106 124 144
80% 71 78 86 97 113 136
90% 71 79 88 102 122
100% 72 80 91 108
At an apparent temperature of:
90-104 Heat cramps or heat exhaustion possible
105-130 Heat cramps or heat exhaustion likely,
heatstroke possible
130-more Heatstroke highly likely
Note: Combined heat index of heat and humidity, what it "feels like"
Exposure to full sunshine can increase considerably.