In Situp Exercise: Muscle Logic : Escalating Density Training

Trainers and Olympic athletes agree that Escalating Density Training (EDT) really works. Now everyone who works out can learn how to benefit from this superbly effective, time-efficient system.Your muscles will get bigger when you force them to do more work in the same period of time. That's the breathtakingly simple concept behind Charles Staley's innovative training system, EDT. Over 300 people ...Situp Exercise