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Think you know everything about sit-ups, squats and pushups? Well, Russian strength trainer Pavel Tsatsouline thinks you might know just enough to be dangerous.
Eager to be leaner? Don't work harder (or wait longer) than you have to! Learn the art of heart-rate training for optimal fat loss.
Had enough of mysterious fitness plateaus, mindless exertion, confusing estimates and lackluster results? Make sense of it all with the tell-all help of a heart-rate monitor.