Centr Logo
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.
1
/2

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.
2
/2

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.

Get your body goals on target. Both Upper-Body Builder and Glute Builder are live in the Programs section of the Centr app, ready for you to start any time. Not a Centr member? Kickstart your gains with a free trial today.

Sign up to unlock your full potential

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.

LIMITED TIME: SAVE 25% ON THE CENTR APP