http://online.wsj.com/video/interval-tr ... wsj_gadgv1
Interval Training: Run Hard, Recover, and Repeat 6/27/2011 6:42:09 PM
High-intensity interval training, workouts that consist of short bursts of intense exercise and rest periods, may be beneficial to people with heart problems and those at risk for diabetes. Triathlon coach Neil Cook talks to WSJ's Christina Tsuei about the method and why he thinks it's so effective in improving heart health.
body weight workout
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