. The one disadvantage is that they force you to turn frequently and can strain your muscles unevenly. But if you change direction often, you'll lessen the chances of injury. Also, run in the far outside lanes, especially during warm-ups and cool

.Beginners and regular runners all fall foul of the most common cause of injury: progressing too fast, too soon. Increase mileage or speed, but not both. A newcomer's biggest measure of success at six months would be to have built up to three or four consistent runs a

run. Prevention: Drink fluid little and often throughout the day, every day.7. Not stretching enough Again, most runners know they should stretch, but they don’t. What’s more, many of them don’t warm up or cool down either. The result is frequent