Centr trainer Luke Zocchi, wearing a muscle shirt, holds two dumbbells in a bicep curl, looking down
Centr Team

Train and gain with Upper-Body Builder & Glute Builder

Centr Team

You know what you want, now it’s time to get it. Target the muscles on your hit list with results-driven strength programs, only on Chris Hemsworth’s Centr.

Test your limits and build serious muscle in your chest, arms, shoulders and back with Upper-Body Builder.

Or strengthen, tone and build the lower-body definition you want with Glute Builder.

Both progressive 8-week programs are designed by Chris’s personal trainer Luke Zocchi and led by Centr experts with proven muscle-building power.

Pick your target and get ready to train, build and gain.

Centr trainer Luke Zocchi, standing under a concrete bridge and wearing a muscle shirt, holds two dumbbells in a bicep curl, looking down at the camera.
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Upper-Body Builder

Luke created this 8-week muscle-building program to strengthen and grow your chest, arms, shoulders and back.

What are the benefits of the Upper-Body Builder program?

  • Build a stronger upper body that makes everyday pushing and pulling movements easier to perform.

  • Improve grip strength, reducing your risk of wrist injury and making it easier to progress all of your lifts.

  • Add muscle mass, increase definitionand achieve your physique goals.


How does the program work?

  • 8 weeks of self-guided workouts split into 2-week phases.

  • Train at Home or in Gym at the strength and experience level that’s right for you: Beginner, Intermediate or Advanced.

  • Accessible training with low-impact modifications, home equipment alternatives and exercise tutorials.

  • Use the nutrition handbook to fuel your workouts and optimize results.

Centr trainer Ashley Joi, wearing gym gear, performs a bodyweight squat, in a lounge room setting.
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Glute Builder

The 8-week lower-body workout program to strengthen, grow and sculpt powerful glutes.

What are the benefits of the Glute Builder program?

  • Build strong glute muscles that boost athletic performance and improve your balance.

  • Strengthen your posterior chain for better posture and increased power in all your training.

  • Prevent injury by creating proper hip alignment and knee stability.

  • Reduce back pain in combination with a strong core.

  • Maximize glute definition and achieve a great-looking booty.


How does the program work?

  • 8 weeks of self-guided workouts split into 2-week phases.

  • Choose to train at Home or in Gym at your level of fitness: Beginner, Intermediate or Advanced.

  • Accessible workouts with low-impact modifications, equipment alternatives for home training and exercise tutorials.

  • Energize your training and maximize results using the nutrition handbook.

Start getting gains with Glute Builder. Begin your free trial to kickstart your goals with the program guides.

Take your fitness further with centr

Coaching On Demand and And In Your Hand

When you need a sweat session or an extra boost, your personal fitness coach is just a tap away.

Fitness On Your Terms

Goodbye cookie-cutter workouts and generic coaching. Every Centr training session is tailored to your goals.

Meals & Mindset Coaching

Elevate your performance with meals to fuel you and mindset exercises to recharge you.

CYBER WEEK SAVINGS: SAVE 25% ON ANNUAL PLANS.