The Importance of Cross-Training and Core Weakness for Runners

Running has become very popular in recent years. Marathons in particular are growing in popularity. A marathon by definition is a 26.2 mile road race. Races like the Chicago and New York Marathons host between 45 and 50,000 runners on an annual basis. It has become increasingly difficult to gain entrance into some of the… Continue Reading The Importance of Cross-Training and Core Weakness for Runners