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Train with Action Jacquelyn on the #1 Barre & Pilates fitness app for women.

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5 Reasons Why I Built a Workout App That Still Challenges Me After 20 Years as a Fitness Professional

By Action Jacquelyn — Former Professional Ballerina & Founder of Barre Definition

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1) Most workout apps were built for everyone… except women like us.

Most workout apps cater to the masses and ignore the unique needs of women in their 20s, 30s & beyond. High‑intensity programs often spike cortisol, strain joints and demand hours you don’t have. Barre Definition uses low‑impact, posture‑focused movements that work with your hormones to sculpt deep muscles gently.

2) I wanted a workout women could do - at ANY stage of life.

Whether you’re a beginner, prenatal/postnatal, busy or advanced, Barre Definition offers 20‑ to 30‑minute sessions that are joint‑friendly, fully modifiable and organized into monthly challenges so you always know what to do.

3) Combining Barre + Pilates was the “secret formula” no one was teaching.

Long, toned muscles are built by combining functional movement, Pilates core work, & targeted barre sculpting - not with repetitive, one-dimensional exercises. This unique blend creates flatter midsections, lifted glutes and better posture while keeping inflammation down and energy up.

4) I knew exactly how dancers achieve that long, sculpted, feminine look - and I wanted to share it.

Dancers stay lean and sculpted through micro‑movements, alignment, lengthening under tension and stabilizer‑muscle activation. Barre Definition brings these principles to you, so you can achieve that elegant, feminine look without spending hours in the gym.

5) Women needed a community - not just another app.

Barre Definition is more than an app; it’s a community where you’re supported, held accountable and encouraged. When you feel seen and connected, showing up becomes natural and transformation follows.

WHAT WOMEN ARE SAYING

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After image After 4 Weeks

“I'm getting married this October and it was a wonderful push for my Fiancé and I to get back on our fitness journey. I've tried other programs but Barre Definition just clicked with me and I love it!! Thank you Jacquelyn!!”

– Katie H.

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After image After 4 Weeks

“Using the app has helped me so much. I'm more toned and my belly area is shrinking. I can't wait to see what the results are in the next few months. Now i just need to build muscle. Keen pushing!”

– Angenelle S.

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What You Get Inside Barre Definition

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  • +800 On-Demand Class Library

  • Pilates, Barre, Strength + More

  • Exclusive Weekly Schedule

  • Fun New Monthly Challenges

  • Signature 90 Day Program

  • Signature 28 Day Beginner

  • Signature Prenatal & Postnatal

  • Private Facebook Community

  • Life changing Meditations

  • Recipe Plans & So Much More!

Meet your trainer!

Hi, I’m Jacquelyn. I’m so glad you’re here. I’m a former ballerina, professional dancer, fitness trainer of over 20 years, and the founder of Barre Definition. 

I live in sunny San Diego with my husband and baby girl, and I created Barre Definition for women who want to feel strong, confident, and at home in their bodies again.

After decades of perfecting my craft, creating over 1,000 classes, developing dozens of programs, and witnessing thousands of real transformations, I built a proven, repeatable method that meets you where you are and grows with you through every stage of life.

You don’t need experience to begin. You don’t need to figure this out on your own. Just follow the plan and enjoy the process, the results will come.

xo, Jacquelyn

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Frequently Asked Questions

Yours not answered? Get in touch today.

Do I Need Special Equipment?

Most workouts are all body-based training with the option to add light hand weights + ankle weights. You can shop our equipment at: https://barredefinition.com/shop

I'm A Beginner, Where Do I Start?

For true beginners I recommend starting with the 28 day beginner plan before starting the 90 day full body definition program or the monthly challenges. (I program these monthly challenges myself for you to do alongside our community, think of this as your 'continuity program' after you complete the foundational 90 day plan) 🙂

Can I Stream To My SmartTV?

Yes, you can! You can find us on Roku, AppleTV or simply turn on your bluetooth on your phone and stream to your TV directly from your phone. For more info go to https://help.barredefinition.com

Is There A Money Back Guarantee?

Yes! Giving you the BEST workout experience is our #1 priority. This is why we offer a 7-day free trial to give you some time to decide if Barre Definition is right for you. If for some reason you forget to cancel simply reach out to our support email and we'll offer a full refund within 24 hours of purchasing.

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