P90X / New workout will get you in shape — if you can survive the first phase (Standard-Examiner)(Weight Loss News)

P90X is a 90-day program that mixes strength training, pliometrics, martial arts, yoga and stretching into DVD workouts for each day of the week. Myron Davis, professor of health promotions at Weber State University, says variety in a workout is not a new concept, but it is a good one that P90X does well. Horton says the program is for men who can do 15 pushups and 10 20-pound bicep curls, and for women who can do three pushups and 20 8-pound bicep curls. In the first phase, 50 percent of calories come from protein, 30 percent from carbohydrates and 20 percent from fat. In the second phase, both carbs and protein are 40 percent of the diet, and in the third phase, protein falls to 20 percent with carbohydrates at 60 percent. read more

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