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Train and gain with Upper-Body Builder & Glute Builder

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

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 definition and 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.

Reading next

Your Glute Builder in Gym program guide
Train and gain with Glute Builder & Upper-Body Builder - Centr

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