Barbell Dead lifts are most important to get a lean body. They improve your performance in everyday activities and sports. They work a large amount of your muscles and hence are important in getting strength and lean. This exercise is quite difficult and you should not do it if you have issues with your back.
How to do Barbell Dead Lifts

you can find more info on how to do this exercise on
http://www.ehow.com/how_2300093_do-barbell-deadlifts.html

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