Strength& Conditioning

Get top-notch Strength & Conditioning training from Nate Keller, a Certified Performance Enhancement Specialist at Keller Training Systems. Our facility is based in Apopka, which is situated in Central Florida. At KTS, we firmly believe that improving your athletic abilities requires extensive preparation, unwavering commitment, and plenty of effort. Our comprehensive range of services can help you attain the fitness levels necessary to excel in your chosen sport and achieve success in your personal and professional life.
About the Gym

Power-Speed-Agility Testing

These are standardized tests used to measure an athletes athletic ability.  Our unique training system will dramatically improve the athletes power, speed and agility.

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Our Services

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Upper Body Strength Training​

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Lower Body Strength Training

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Plyometric Power Training

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Speed Training & Conditioning

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Energy System Training

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Mobility and Flexibility

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Strongman Training

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NFL Combine Prep

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Military Prep

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Firemen Prep

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One on One & Group Training

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Police Prep

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High School Combine Prep

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Our Facility

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Certified Coach Nathan Keller

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Cutting Edge Equipment

Personalized Programs

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Supportive Community

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Personal Training

We offer personal training sessions that are customized to meet your individual needs and preferences. Our programs are designed to help you achieve your fitness goals, whether it's losing weight, toning your body, building strength, or enhancing your sports performance. Our team of experienced trainers will provide you with expert guidance and constant support as you work towards reaching your aspirations. We are dedicated to helping you succeed and committed to working with you every step of the way. With our partnership, you can achieve the healthy body you've always wanted.

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Performance Training

Our facility offers top-notch training for athletes using the Conjugate Method by Louie Simmons of Westside Barbell. Our services optimize speed, strength, power, agility, stamina, flexibility, and explosiveness, ensuring maximum potential. Expect exceptional results and unparalleled success with our expert guidance and cutting-edge techniques.

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Group Training

If you thrive in healthy competition and enjoy being part of a group, our Group Sessions are the perfect fit for you. Whether you're an athlete accustomed to working in teams or someone who excels at collaborating with others, we welcome anyone who thrives in group settings. Our goal is to help you improve your strengths and address your weaknesses, ultimately making you a more versatile and better athlete.

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If you are looking for a hardworking family first customer-last type of gym KTS is the gym for you. Kellers facility is top of the line and has the resources for you to succeed in anything you want to better yourself in, not to mention the environment at KTS has allowed me to meet a lot of great people. I've been working out with Keller for 9 months and I have seen total changes in my body, my performance, and overall knowledge when it comes to working out. Truly a great place to be and I couldn't have done without Coach Keller.
Paiton Fears
Pro Football Player

Working Hours

  • Mon – Fri: 5.30am – 8.00pm
  • Saturday: 9.00am – 2.00pm
  • Sunday: 9.00am – 2.00pm
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If you desire to become an elite athlete, it's time to take action today.

Why Choose Keller Training Systems?

Certified Coach Nathan Keller

Cutting-Edge Equipment

Personalized Programs

Supportive Community

Results-Driven Approach

Injury Prevention