It's February 13th, and that can only mean one thing...it's Jim Wendler's birthday!

Yes, the brains (and muscle) behind the 5/3/1 magic is a year older today! To celebrate, we are posting YOUR (the readers') most favorite Wendler articles.

So read on and enjoy—you know we did! And help make Jim's day even more special by dropping him some birthday cheer in the comments section below!

Music From the Metal Snob

He's not just powerlifting. Jim is, in fact, a music connoisseur. However, as you know, he is always willing to share his knowledge.

52 Most Common 5/3/1 Questions

Really...he answers ALL 52 questions. You might want to grab a coffee and get settled in, this will take a little while.

From Fat Ass to Bad Ass

From huffing and gasping for breath to running and pulling with the best of them, Jim narrates his transformation from a "Fat Ass" to a "Bad Ass."

10 Nuggets of Wisdom

It's kind of like the 10 Commandments of Jim...

The Origin of 5/3/1

And last but not least, how it all began...