Article

Interval training is an important part of aerobic exercise. If you're a walker or a runner, run intervals once a week. Walking and running build endurance by strengthening your cardiovascular system. Doing interval training once a week enhances your endurance by dramatically increasing the amount of

"To stretch or not to stretch." That wasn't exactly Hamlet's question. The Prince of Denmark had matters of state to consider, especially the most effective method to avenge the murder of his father. Getting ready for his next fencing lesson had taken low priority. But for the rest of us who aren't