Zac Efron, We Get It, You're Super Buff and You Work Out Like Crazy -- See the Impressive New Gym Pic!

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How can muscles even look like that?

Zac Efron must be hitting the gym ALL THE TIME these days, and sure enough, the Neighbors 2 star shared a new buff as hell snap with his fans on Thursday, captioned, "Back and bi's #baywatch."

PHOTOS: Hollywood's Sexiest Shirtless Men

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Back and bi's #baywatch

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If it seems like Zac is trying to compete with Dwayne "The Rock" Johnson at this point, he basically is. The two are set to star in the Baywatch reboot, which is a real thing that is set to be happening next year.

The 28-year-old actor may have a ways to go before he catches up, however, seeing as The Rock still has a (gigantic) leg up on him...

WATCH: Zac Efron's Abs -- and Booty! -- Have Never Looked Better

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2016 breakdown of my shooting schedule (while maintaining relationships and being dad and daddy to the most awesome daughters in the world) and why I'm up at 4am everyday to train (aside from being slightly bat shit crazy). Once we wrap season 2 of #BALLERS (4 weeks left), the next day I'll start shooting our “little" beach movie called #BAYWATCH (literally THE most successful TV intellectual property of all time - so the pressure is on - bring it). After a 12 week #BAYWATCH shoot, I'll go right into shooting #FastAndFurious8. We're a family, and playing the character of HOBBS is one of my greatest joys and I'll make the promise to ya right now: I'm stepping on that set ready to rumble and raise the bar on all levels: The intensity, the tactical gear/weapons and especially that "Hobbs' winking fun". Since Fast & Furious 5, you've made HOBBS the highest testing character for a reason - and we're gonna give new meaning to the catchphrase, "Daddy's gotta go to work." After approximately 12-14 weeks of shooting FF8, I'll transition right into the big one... #RAMPAGE. Before we start shooting I'll spend time at the San Diego Wildlife Preserve as well with Anti-Poaching Units out of Africa. As big and fun as this movie is, the key is grounding it in research and authenticity. The entire team that brought you San Andreas is back and we can't wait to get started on this one. King Kong is just a little monkey compared to what these massive RAMPAGING ANIMALS can do. Now of course the universe can step in at anytime and throw a flag on the play, but as you see there's a method to my madness of 4am wake ups for cardio & training hard - it anchors my day and allows me to 100% focus and prep for these roles - and the irony of this whole thing is all these roles pale in comparison to the most daunting, gratifying and holy shit scary role of all - being a father. But that's for another fun discussion. And I close this long ass post with a question anyone who just trained calves would ask... do I or do I not have gum stuck on the bottom of my shoe? 😜 #Method2TheMadness #HardestWorkersInTheRoom #ChaseYourGreatness #AndCheckYourShoesForGum 💯👊🏾

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Dwayne did, however, take some time late last year to compliment Zac on one very specific part of his physique....

WATCH: Zac Efron Shows Off Insane Biceps (and Abs) in New Candid Pic: 'I Woke Up Like This'

Watch the video below.