If you saw Zac Efron in The Iron Claw and thought, "Yeah, I want to look like that," you aren't alone. He looked like a Greek god carved out of granite. But honestly? The reality behind those muscles is way more complicated than just hitting the gym. Most people see the "after" photo and assume it's all about some secret bicep curl or a magic supplement. It's not.
Actually, the story of Zac Efron working out is kind of a cautionary tale. It’s a journey that moved from "looking good at any cost" to "training for longevity."
The Baywatch Trap: Why Lean Isn't Always Healthy
Back in 2017, the internet basically broke when the first photos of Efron for Baywatch surfaced. He was shredded. Like, "no water in the skin" shredded. He later admitted that to reach that look, he was taking powerful diuretics (specifically Lasix) to flush every ounce of fluid from his body.
He wasn't sleeping. If filming finished at midnight, he was in the gym by 4:00 AM.
It messed him up. He developed insomnia and fell into a deep depression that lasted months after the movie wrapped. He famously told Men’s Health that the Baywatch look is basically "CGI'd" by science and extreme dehydration. It isn’t a sustainable way to live, and it certainly isn't healthy. If your goal is to look like that, you've gotta realize that even the guy in the movie hated it.
The Iron Claw Bulk: Building Real Mass
Fast forward to his role as Kevin Von Erich. The goal shifted from "shredded lifeguard" to "powerhouse wrestler." This required a massive caloric surplus. He had to eat. A lot. We’re talking about a clean bulk involving massive amounts of organic chicken, elk, and complex carbs like quinoa and sweet potatoes.
He didn't just lift weights; he lived in the gym. His trainer, Patrick Murphy, utilized a high-volume approach. They focused on "maximal mechanical damage," which is a fancy way of saying they tore the muscle fibers down so they’d grow back bigger and denser.
A Look at the Training Split
His routine for the wrestling biopic wasn't some fancy, high-tech secret. It was old-school. Think 1970s bodybuilding meets modern functional strength.
- Push Days: Heavy focus on the incline bench press to build that "superhero" upper chest.
- Pull Days: Weighted pull-ups and heavy rows. You can't fake a back that wide.
- Leg Days: Bulgarian split squats (which everyone hates but everyone needs) and Romanian deadlifts.
- Wrestling Prep: He was spending hours in the ring, hitting the ropes and taking bumps.
He was essentially training like a professional athlete with a 24/7 support staff. For most of us, that's just not our reality. He had 12 to 22 weeks of pure, uninterrupted focus.
The 2026 Shift: Training for the Long Haul
These days, the way we see Zac Efron working out is different. He’s moved away from the "bodybuilding at all costs" mindset. He’s huge on the Wim Hof method now—ice baths and breathwork. He does a ton of stretching, yoga, and foam rolling.
He still lifts, but it's more about "powerbuilding." He mixes heavy compound lifts (squats, deadlifts, presses) with high-intensity interval training (HIIT) to keep his heart healthy. He isn't trying to be 5% body fat anymore. He’s said he prefers having that extra 2% or 3% of body fat because it makes him feel like a human being again.
What You Can Actually Learn From Him
You don't need a Hollywood budget to get results, but you do need his discipline. However, you should probably skip the "no-sleep-and-diuretics" part.
- Prioritize Compound Moves: If you only have 45 minutes, don't spend it on tricep kickbacks. Do squats. Do pull-ups. These moves trigger the most growth.
- Listen to Your Brain: If your workout is making you depressed or keeping you awake at night, it’s garbage. Change it.
- Recovery is King: Efron uses cold plunges and sauna sessions. You might just need a solid eight hours of sleep and a rest day that actually involves resting.
- The "Dad Bod" is Fine: When Efron stopped training for movies during the pandemic, the internet called it a "dad bod." It wasn't. It was just a fit guy who wasn't dehydrated.
Honestly, the most impressive thing about his fitness journey isn't his 6-pack. It's the fact that he was willing to admit the movie-star physique was a lie. He’s being real about the toll it takes. That's way more valuable than a workout chart.
Actionable Steps for Your Own Transformation
If you're looking to start your own version of this journey, start by assessing your "why." Are you training for a photo, or are you training for a life?
Stop chasing 5% body fat unless you're getting paid millions to stand on a beach. Focus on hitting a new personal best on your deadlift or finally nailing a strict pull-up. Focus on eating whole foods 80% of the time and letting yourself have a burger the other 20%. That’s how you actually stay in shape for decades instead of just weeks.
Check your current volume. If you're hitting the gym six days a week and feeling like a zombie, drop it to four. Focus on quality over quantity. Your joints—and your mental health—will thank you in five years.