Heart Rate Training Redefined, Part II: Get Out of the Weightroom!
https://www.endurancenation.us/wp-content/themes/osmosis/images/empty/thumbnail.jpg 150 150 Coach P Coach P https://secure.gravatar.com/avatar/1e6fd2e29933fe27493eeeb3561b4c75?s=96&d=mm&r=gIn Part I we introduced you to the principle that performance fitness is in the muscles, not in the cardiovascular system. Now we would like to introduce you to Return on Investment (ROI) and the Principle of Specificity, Endurance Nation’s “do-not-pass-go” concepts for the age-group athlete living and working in the real world. Name: Email:…
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