Arnold Schwarzenegger was famous for training twice a day on a system known as a double split routine and he went on to become one of the most muscular men of all time. Could splitting your workouts in two and doing half in the AM and half in the PM increase your muscle growth too, or is this technique only for the pros with superior genetics and unlimited time? Read on to see the pros and cons - you may be surprised at the answer!

There is no single best muscle building workout for everyone. Each person has different goals, time availability, experience level and personal preferences. All these factors play into your decision about which routine is best for you. However... what if... gun to the head, I was forced to pick the muscle building program I thought was the best, based on more than 40 years of lifting, including for bodybuilding competition training? Read this post to see my #1 choice...

One of the biggest debates in bodybuilding in the past decade has been about whether a higher or lower training frequency is better. Early studies that compared training only once a week to twice a week seemed to suggest twice a week builds more muscle and that's what most trainers heavily promoted. But more recent studies that were better designed have increased our understanding of this subject.