The Rock has packed on some serious muscle for Fast and the Furious 8 in just 4 weeks 4 years ago

The Rock has packed on some serious muscle for Fast and the Furious 8 in just 4 weeks

The Rock is a serious beast.

Wrestler, Hollywood film star and all-round gym freak Dwayne Johnson is pretty much in beast mode 24/7.

You only have to look at his ridiculous training schedule, which starts at 3:50am, and the amount of food he puts away in a day to understand why he is a monster of a man.

But it seems the WWE legend has found another gear above Beast Mode to get him even bigger for his role in the up-coming Fast and Furious 8 film.

Basically Johnson had to lean up and come in shredded to play Mitch Buchannon in the new Baywatch movie.

"I came in at 238lbs of lean, mean, rated R comedy machine, he said on his Instagram.

"Plus, I had to be leaner cause we had to look at my boy Zac Efron's insanely ripped 28-pack abs every day."

When you see the shape Efron was in for the film, you'll understand why. He was bringing sub 6% body fat numbers, so Johnson wasn't about to be out-done by the High School Musical star.

But as soon as the camera stopped rolling on Baywatch, Johnson began his insane body transformation for the new Fast & Furious - in just four weeks.

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No magic formula or secret to success. I'm up at 4am daily and puttin' in the hard work that I already know my competition is not willin' to do. If they're willin' to get up at 4, then you bet your ass I'm gettin' up at 3. And if they're willin' to get up at 3am, then well... I'll be gettin' up at 2:59 cause that's just bullshit. I don't pretend to do it. I do it. Daily. It's my anchor and will always be my edge over my competition. You don't have to wake up at the ass crack of 4am dawn to find your anchor. Whatever it is that gives you "your edge" over everyone around you - then that's what you do. You find it, you apply it and you protect it. Whether it's your co-workers, teammates, classmates or business associates.. the #AnchorPhilosophy applies to every facet of our lives. #FindYourAnchor #CreateYourEdge #ProtectThemBoth #AndPlsDontGetUpAt4amCauseItAintPretty;)

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He wasn't fucking about either. The 44-year-old managed to pack 22lbs on to his frame to play Hobbs in the latest instalment of the franchise.

"For Fast & Furious I'm stepping on set 260lbs of the meanest, strongest and most highly funny and entertaining shit talkin' version of Hobbs the franchise has ever seen," he posted.

"The 6,000 calorie per day diet, training and focus is hard core. When you see Fast 8 it'll all make sense."

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Fun transition begins. Final weeks of shooting #BAYWATCH, and today I start my prep for #FastAndFurious8 which I start shooting in 4 weeks. Physically for #BAYWATCH I wanted "Mitch Buchannon" to come in lean, mean and a dysfunctional superhero of the beach. And full of raunchy Rated R humor. Mission accomplished. For FAST8, the character of "Hobbs" will come in like an animal - bigger, lethal, meaner and tougher than a $2 dollar steak. 530am breakfast. Grass fed buffalo, whole eggs and 80grams of Cream of Wheat. (trust me, if I could cook up Vin, Statham and the rest of the Fast dudes I'd eat them too). This is gonna fun. #FF8Prep #HobbsTheBeast #FinelyTuned #2DollarSteakSucksButEadible #INeedACheatMeal

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Yes that's 6,000 calories he manages to pack in every single day - that's alongside filming, training and sleeping (if he even finds time for that).

To give you an idea of just how much food that is, here's The Rock's meal plan back when he was eating a paltry 5,165 calories...

Rock diet

The fact he managed to put on 22lbs in just four weeks is incredible - and his diet obviously played a massive part.

While Johnson hasn't given much away in terms of what training he was smashing to get himself huge for his latest film role, he did reveal his formula for packing on mass when he was training for the film Hercules.

It's not for the faint hearted though...