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The Amp Group Gym

Welcome to the Sweaty Socket Club at The Amp Group!

Located in Modesto, CA, we are Central and Northern California’s only prosthetic-specific gym built for every stage of your journey, from pre-prosthetic rehab to high-level performance. Here, we don’t just break a sweat we break limits. So put on your liner, grab your prosthesis, bring your grit, and get ready to train where every drop of sweat moves you closer to success.

Find out more

Gym Membership Price List

Membership levels

We offer two membership options to support you at any stage of your prosthetic or pre-prosthetic journey. Whether you're building strength and mobility early on or advancing your fitness with a prosthesis, our Standard and Premium memberships are designed to meet your evolving needs.

Standard Gym Membership

$15/Month

Perfect for those who want full access to our gym equipment and facilities during regular business hours.

  • ✅ Unlimited access to the gym
  • ⏰ Access during standard business hours
  • 🚫 Specialty classes not included 

Premium Gym Membership

$30/Month

Ideal for members who want the full experience—including all our specialty classes.

  • ✅ Unlimited access to the gym
  • ✅ Unlimited access to all specialty classes (offered weekly)
  • ⏰ Access during standard business hours

1:1 Prosthetic Rehabilitation Personal Training

$60/Session

Get one-on-one support tailored to your goals—whether you're improving balance, mastering daily tasks, or pushing toward advanced prosthetic performance. This session is designed to meet you where you are and help you strive for excellence.


Prosthetic Rehabilitation Personal Training – $60 per 30 minutes

Welcome to The Sweaty Socket Club at The Amp Group

Welcome to The Amp Group gym

The Amp Group Arch represents Modesto, where we strive to rebuild mobility and renew lives.

Our WHY

The Amp Group Gym was designed to bridge a gap and create an opportunity for continued and advanced rehabilitation.  Traditional prosthetic clinic settings often limit the user's ability to truly test their components or assess socket fit and comfort in real-world, dynamic conditions—cutting the experience short at a time when focused evaluation and feedback are most critical.

At The Amp Group, our prosthetic-specific gym offers a unique environment where users can ensure comfort, optimize performance, and safely advance their abilities. With access to peer support, a strong community, and in-house adjustments when needed, individuals are empowered to move beyond basic function and toward lasting success.

Our Equipment

The Amp Group gym is equipped with specialized tools to support every stage of your prosthetic or pre-prosthetic journey—from early rehab to advanced training. Currently our facility includes:

  • Two 20-foot-long parallel bars for gait training and balance work
  • A fully equipped squat rack for strength building and functional movement
  • Dip station for upper body and core development
  • Multiple TRX stations, adaptable for both beginners and advanced users
  • A custom terrain trainer featuring river rocks, gravel, and turf to simulate real-world walking conditions and challenge dynamic stability
  • Assault bike, an excellent piece of equipment for cardiovascular endurance involving both upper and lower extremities for resistance, endurance, and support.
  • More to come!

Every piece of equipment is chosen to help you move better, train smarter, and reach your goals with confidence.

Contact Us

If you have any questions or would like to use our facilities, please don't hesitate to contact us. Our friendly staff is always here to help.

Frequently Asked Questions

In Modesto, The Amp Group Gym is a specialized community option for any individual with limb loss or limb difference.

Any individual with limb loss or limb difference is welcome to use the gym!  The Amp Group Gym is designed specifically to reach the prosthetic community and improve outcomes through a supportive environment, motivated movement, and community.


Currently, The Amp Group Gym has:

  • Two, 20 foot long parallel bars for gait training and balance work.
  • A fully equipped squat rack for strength building and functional movement
  • Dip station for upper body and core development
  • Multiple TRX stations, adaptable for both beginners and advanced users https://www.trxtraining.com
  • A custom terrain trainer featuring river rocks, gravel, and turf to simulate real-world walking conditions and challenge dynamic stability
  • Assault bike, an excellent piece of equipment for cardiovascular endurance involving both upper and lower extremities for resistance, endurance, and support.
  • Pull-up/Chin-up stations
  • Resistance bands, dumbbells, weight exercises balls, etc.
  • More to come!


At The Amp Group, we take an individualized approach to rehabilitation, tailoring our services to meet each patient's unique needs and goals.  We believe movement is medicine, and community is essential.  At The Amp Group Gym, you have the ability to work at your own pace, obtain personal training,  join a class, or meet a friend to work out with.


No, The Amp Group and The Amp Group Gym is not a physical therapy provider.  We work closely with our local, physical therapists to ensure the best outcomes are achieved for each mutual client.  The Amp Group was created to bridge the gap between rehabilitation and everyday mobility.


The Amp Group Gym is not covered by insurance currently.  With that in mind, we have priced the membership and classes to be extremely accessible!  


The Amp Group, Inc

Main Line (call or text anytime): 209.404.0152

Office line: 209.408.8477 Fax: 209.408.8459

Copyright © 2025 The Amp Group - All Rights Reserved.

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Why The Amp Group

Want to know more about The Amp Group, Inc?  Check out the newest introduction video!

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