Roman Reigns recently opened up about how two of wrestling’s biggest stars have changed their bodies for Hollywood.

During a recent interview with “Men’s Health,” Reigns explained that both John Cena and Dwayne ‘The Rock’ Johnson had to adjust their training and size as their Hollywood careers grew. The OTC hopes to reach a point in his own career where such changes become his next step too.

Reigns said that Cena started focusing more on stretching, mobility, and staying flexible, especially after spending time in China.

He also pointed out that The Rock remains massive even when he looks lean, and that he shares a similar gym mindset with his cousin.

Reigns added that listening to his body is key, since intense training can cause pain and force changes in routine.

You can check out some highlights from the interview below:

On what he’s learned from them about the shift from wrestling to acting: “Even in their leaned-out stages, they’re still just superhero guys. We all get to a place where we have to adjust. We’ve got to evolve. And we have to change. I hope I can get to a place in my career, like they did, where that’s going to be the next step for me.”

On how John Cena & The Rock rebuilt their bodies for Hollywood: “[For John], there was a bit of a shift for him where I think he moved into mobility a lot more, and pliability, where he started really stretching. I think it was when he went to China. He spent a good bit of time over there, and I think that’s when he started to change his philosophies on a few things. But John is one of those guys who’s just freakishly strong.

“Dwayne is huge. People don’t really understand how big DJ is. Even in his leaned-out state, he’s still a big man. I would say me and Dwayne have a little closer mindset on what we like to do in the gym. We’re chasing that pump. We’re trying to create hypertrophy.”

On his physique at 41: “I think I’m in my prime physically. I look at my stomach or whatever it may be, that’s a part of that body dysmorphia we’re all struggling with. And it’s one of those deals that I think if you just keep working on it…it’s not done until it’s done.”

On what he tells himself on his less confident days: “It’s a marathon. It’s not over. Even if your goal is tomorrow, just extend it. Just keep going. If my look isn’t perfect on Sunday, then I should probably just keep trying to make it a little better. Keep working at it.”

On playing Akuma in Street Fighter: “I got lucky because Akuma…his physique is kind of bodybuilderesque. He’s a big brother, so he’s very muscular. That helped me out, to kind of stay in my regimen. But when you add in the martial arts, the fighting disciplines…you have to be able to have your legs in a sumo squat, but then you can pop up on your toes and also hit a unique pose with your arms. There’s so much isometric work in that. There’s so much to that body control, almost like a ballerina type of work. And the footwork was pretty extensive.”

“There were a lot of parallels for me to be able to transition. I mean, they’re obviously different things you’re asked to perform, within wrestling and within martial arts. But the physical disciplines are a bit adjacent to each other, where it wasn’t as big of a gap for me to figure out. The fact I’m in professional wrestling helped, but [martial arts] is still its own rite. It really makes you go back and look at all of the great martial artists: Jason Statham, Chuck Norris…all these guys who were able to do all these stunts and movies and and have it be so good.”