Running is one of the best exercises you can do to build your cardio-respiratory fitness, get in shape, and stay fit.
Keep your head erect with your body in a straight line or slightly bent forward at the waist. Your elbows should stay bent so that your forearms are relaxed and held loosely at your waist. Let your arms swing naturally from front to back in straight lines. As you run, let your feet strike on the heel and push off at the big toe.
Running Tips
• Swing your arms from front to back—moving your arms across your body wastes energy.
• Point your toes straight ahead.
• Build stretching into your regular schedule both before and after your run. Do your pre-run stretching after a gentle warmup run of five or ten minutes, since "warm" muscles stretch more easily.