On The Brink Fitness

On The Brink Fitness On The Brink Fitness offers personalized one-on-one training in a private studio built for athletic performance.

No distractions, no crowds — just focused training to help you perform, recover, and grow stronger. On The Brink Fitness offers a unique and personalized one-on-one training experience in an upscale private studio setting so you can devote all of your attention and energy to your workout without the distractions that are often encountered in a typical gym setting. Our Certified Personal Trainers offer years of experience in the health and fitness industry so you will stay focused, motivated and energized while never having to compromise proper form and technique.

Everyone needs to take time for themselves this holiday season, Recovery Zone is the best place to recharge! Red Light a...
11/29/2025

Everyone needs to take time for themselves this holiday season, Recovery Zone is the best place to recharge! Red Light and Oxygen will get you through the season.

🚨 BLACK FRIDAY SALE IS HERE! 🚨
Give your body the recovery it deserves this season.

For a limited time only, snag a 10-Pack for JUST $140 — our lowest price of the year! 🙌🔥
Whether you love Red Light Therapy w/ PEMF, Sauna Pod sessions, FlowPresso, Cold Plunge, HyperMax Oxygen, or a mix of everything… this bundle is the perfect way to feel amazing all winter long.

🎁 Offer ends December 1st, 2025
Don’t miss out — stock up now and step into the holidays feeling your best.

✨ Recovery Zone — Feel Better, Live Better.

I’m truly grateful to be featured in Nashville Voyager Magazine as part of their Most Inspiring Stories series! 💕Looking...
11/10/2025

I’m truly grateful to be featured in Nashville Voyager Magazine as part of their Most Inspiring Stories series! 💕
Looking back on my journey, I’m reminded that growth doesn’t come from comfort — it comes from perseverance, faith, and the courage to keep going, even when things get hard. Every setback taught me something valuable, and every challenge helped shape who I am today.
Sharing my story with Nashville Voyager was a powerful reminder of why I do what I do: to inspire others to believe in themselves, take that first step toward change, and never give up on their potential.
Read the full story here:

Today we’d like to introduce you to Casey Lauritsen. Hi Casey, can you start by introducing yourself? We’d love to learn more about how you got to where you are today?I’ve learned that strength isn’t just about what your body can do — it’s about how much your mind and spirit can endure.A...

Wow — what an honor! 🎉I’m beyond excited to be featured in Nashville Voyager Magazine! This opportunity means so much to...
11/10/2025

Wow — what an honor! 🎉
I’m beyond excited to be featured in Nashville Voyager Magazine! This opportunity means so much to me, and I’m grateful to share a bit of my journey, passion, and purpose with their readers.
Thank you to everyone who’s supported me along the way — your encouragement keeps me moving forward! 💕I Love You All 💕
Check out the full article here

Today we’d like to introduce you to Casey Lauritsen. Hi Casey, can you start by introducing yourself? We’d love to learn more about how you got to where you are today?I’ve learned that strength isn’t just about what your body can do — it’s about how much your mind and spirit can endure.A...

I'm so honored to share my fitness journey with .From spinal fusions to multiple cancer diagnosis-I've faced some seriou...
10/20/2025

I'm so honored to share my fitness journey with .
From spinal fusions to multiple cancer diagnosis-I've faced some serious setbacks in the past few years, but I keep coming back stronger.
I'm grateful for every challenge that shaped me, and I hope my story reminds someone out there what you can achieve when you push yourself to the brink. You're stronger than you think you are!

We are thrilled to announce that On The Brink Fitness is now an Official Partner with LMNT Zero Sugar Hydration! 🎉 This ...
09/17/2025

We are thrilled to announce that On The Brink Fitness is now an Official Partner with LMNT Zero Sugar Hydration! 🎉 This exciting collaboration means we can offer our members and clients the best possible hydration solutions to fuel their fitness journeys. Stop by our studio to pick up your LMNT Zero Sugar Hydration products today and experience the difference for yourself. Our team is dedicated to helping you reach your fitness goals, and with LMNT by our side, we're confident you'll be unstoppable! 💪

Casey Lauritsen, owner/operator of On The Brink Fitness, LLC and Certified Functional Fitness Trainer, brings a unique a...
08/13/2025

Casey Lauritsen, owner/operator of On The Brink Fitness, LLC and Certified Functional Fitness Trainer, brings a unique approach to our private training studio. As the daughter of a Chiropractor and the founder of Therapeutic Hands Massage, LLC her background is rooted in anatomy and biomechanics, and has a deep understanding and insight into the how the body works to support everyday movements. In 2006 Casey became an NCBTMB Licensed Massage Therapist and began her career working with the Tennessee Titans. Here she quickly realized her passion for sports therapy and continued on to become nationally certified in Sports and Rehabilitation Therapy and Therapeutic Training Techniques which gave her hands-on insight into the importance of body mechanics, injury prevention and holistic recovery care.

Casey works with a wide range of clients and specializes in Functional Strength and Conditioning, Corrective Exercises, Sports-Specific Functional Training, Post Rehabilitation Exercises, Mobility and Flexibility Training along with Core Stability and Injury Prevention. She uses a wide variety of techniques and tools in each session to ensure her clients are progressing to meet their goals.

Meet our Trainers!! Jonathan Chapman, CPT brings a deep understanding of human movement and evidence-based training meth...
08/08/2025

Meet our Trainers!! Jonathan Chapman, CPT brings a deep understanding of human movement and evidence-based training methods to our personal training studio. He has a degree in Exercise Science from UTC and a NASM-CPT certification and his training approach shows that. Jonathan is a former competitive soccer player at the collegiate level and understands the dedication required to achieve physical goals and the importance of proper technique in preventing injury.
"I'm passionate about helping clients not only see their results but feel them as well. There's nothing more rewarding than witnessing someone discover what their body is truly capable of when guided by proper technique and consistent effort."
Whether you are just beginning your fitness journey or are a seasoned athlete looking to enhance your performance Jonathan's expertise and enthusiasm will guide you towards your personal best.

08/07/2025

If you haven't tried dry needling to help get rid of those nasty trigger points in your muscles, you need to make an appointment with Tyler at Beyond Physical Therapy.

Happy Father's Day's to all the amazing Dads who have inspired us to dream big, follow your passions, and never give up ...
06/15/2025

Happy Father's Day's to all the amazing Dads who have inspired us to dream big, follow your passions, and never give up on your goals.

Sweet ass fitness truck at the expo.
05/31/2025

Sweet ass fitness truck at the expo.

Fun day at the Nashville Fitness Expo
05/31/2025

Fun day at the Nashville Fitness Expo

Address

4918 Main Street, Suite 3
Spring Hill, TN
37174

Opening Hours

Monday 7am - 6pm
Tuesday 7am - 6pm
Wednesday 7am - 6pm
Thursday 7am - 6pm
Friday 7am - 6pm
Saturday 11am - 2am

Telephone

+16158013728

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About Us

On The Brink Fitness is a private personal training studio with fitness experience since 2002. Our mission is to provide each client with the specialized programs and motivation they require, using proven principles and years of practical knowledge, in a safe and comfortable environment.

Brent Brinkmeier, owner of On The Brink Fitness is a certified personal trainer with experience in program design, nutritional consulting, strength training, functional training, and endurance for sport. His achievements include completing multiple cycling centuries, Music City Full Marathon (2000), 17-hour indoor Ironman challenge, and earning his orange belt in Krav Maga.