A 4 day split workout routine is one of the most effective, most superior and all around best weight training routine you can follow for building muscle. There is a reason why it’s one of the most popular resistance training routines amongst serious bodybuilders, it simply works. Now let’s get down to the nitty-gritty Two important things to remember There are many different variations of a four-day workout routine and I will go through them below but the two most important factors to remem...

A 4 day split workout routine is one of the most effective, most superior  and all around best weight training routine  you can follow for building muscle. There is a reason why it’s one of the most popular resistance training routines amongst serious bodybuilders, it simply works. Now let’s get down to the nitty-gritty Two important things to remember There are many different variations of a four-day workout routine and I will go through them below but the two most important factors to remem...

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