These will not only add some bulk to your body, but they will also help to condition you as well as improve your strength. Do some variation of the "big three" exercises regularly. Edge Test Booster Do not attempt to build larger muscles while training for a marathon or doing other extreme cardio workouts. Although a certain amount of cardio is beneficial for everyone, bulking up at the same time that you are doing really intense cardiovascular work will be difficult, if not impossible.

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