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FITTER STRONGER

HAPPIER

 JOIN THE BEST IN BUCKS 

A complete workout experience for everyone, regardless of age, goals or fitness level 

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UNDERLYING STRENGTH

Our easy to follow system is designed to help you BUILD MUSCLE, LOSE FAT,  AND FEEL AMAZING.

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 With our Strength and HIIT based system we produce more results in weight loss, body fat loss, and strength gainzzzz. We are the BEST at getting results.

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Great Trainers + Great Workouts + an Awesome Community = AMAZING RESULTS

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WHAT WE DO

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Our group classes are designed for anyone who wants to move better, get stronger, and feel energized—without risking injury or wasting time. These fun, scalable workouts combine strength and conditioning to build muscle, burn fat, and improve overall fitness. With expert coaching and a supportive community, you'll gain confidence, reduce aches and pains, and see measurable progress—all while prioritizing your health in a way that fits your lifestyle. Ready to transform how you look, feel, and perform? Join us and experience results that last.

Group Training 

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A  personalized fitness experience based on you specific goals.  Get the support of working out in a group (1-5 people)  while having a program for your specific needs.  

Semi-Private

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Feeling unsure about starting your fitness journey? Our Beginner Jumpstart Program includes 4 private sessions to master the basics and 21 days of group classes. Gain confidence, improve your skills, and get ready to thrive in every workout!

Beginner Program 

 Join Underlying Strength and Transform Your Body and Mind 

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Community

We are a fitness community in the heart of  Yardley, PA. Our mission is to build a thriving community of diverse athletes through high quality programming + coaching to help our members reach their full potential through functional fitness. We proudly use myzone to connect members & track workouts and progress.

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Motivation

From Transformation Challenges to hosting DEKAFIT events, we make sure we always have an exciting goal for you to work towards.

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We believe that support, accountability, and consistency are vital keys for success. Goals are most successfully achieved as a team. We are committed to fostering a community of mutual support, respect and drive. Our family like culture offers unlimited support and encouragement from coaches as well as fellow clients in our group fitness classes. 

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The CORE Method
Connection | Opportunity | Results | Empowerment

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At Underlying Strength, we believe fitness is more than a workout—it's about building a life that supports your goals. The CORE Method is our unique approach to helping you take control of your health and fitness:

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  • Connection: Build relationships with a supportive community and experienced coaches who guide you every step of the way.

  • Opportunity: Discover your potential with tailored programs that fit your lifestyle and meet you where you are.

  • Results: See real progress in strength, energy, and confidence through functional, pain-free performance that lasts.

  • Empowerment: Feel unstoppable as you master your health, overcome obstacles, and achieve your goals.

We don’t just train bodies; we transform 

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