It takes hard work to stay in shape for leading roles … but Dwayne “The Rock” Johnson‘s been keeping his body in peak condition for years!

In case you’ve been living under a rock for the past few years, you’d know the performer’s made a name for himself with his physical prowess … and we’ve put together a gallery of some of his most impressive snaps from the gym!

Deadlifts, squats, curls … whatever the case may be, we know they’re no stranger to Johnson — although we’re thinking he got to beef up his dramatic skills while playing Mark Kerr in “The Smashing Machine”!