Is a 4 day upper lower split effective?
Is a 4 day upper lower split effective? An ever-growing body of literature suggests that training our muscles twice per week might be more beneficial for long-term improvements (7). With the typical 4-day upper lower split, you can do that quite well, and you don't have to maintain an incredibly high training frequency. Is a 3 day upper lower split effective? With the 3 days per week upper / lower split you are training body parts once every 4-5 days. This moderate training frequency is a favorite of the world-class strength coach Charles Poliquin. It works EXTREMELY well for a...