FIS On Demand

Train Smarter
Age Stronger

Restore strength, protect your joints, and move with confidence for life.

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Experience Pain-Free Strength.

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Expertise Meets Encouragement

Lauren Eirk, MS, MAT-Rx, C-IAYT, E-RYT 500, is the owner of Fitness Integrated Science in Kentucky, bringing nearly 40 years of experience in Muscle Health and Exercise Mechanics. She created FIS OnDemand, a platform with therapeutic workouts and education for adults over 50, built around her proven Isometric Method™

As an educator to other Health Professionals, Lauren has been known throughout the fitness industry for many decades for the creation of her unique style of Yoga, called Yoga I.S.®, which integrates classical Yoga with the modern science of Biomechanics. Lauren is frequently invited to write and speak for national health and fitness conferences and certification organizations in the fields of resistance training, active aging, biomechanics, injury prevention, Yoga, and joint health.

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Rooted in Science, Not Trends.

FIS OnDemand will teach you how to activate weak muscles to reduce pain and improve movement. Once these are addressed, we can start to rebuild lost strength with resistance-based progressions.

Inside the platform, you will learn how to protect your joints using biomechanically sound exercises. Not only that, you can train anytime, anywhere with 24/7 on-demand access. It is like having a Physical Therapist on call!

  • Maintaining muscle mass and muscle function

Activate weak muscles to reduce pain and improve movement. Rebuild lost strength with resistance-based progressions that protect your joints using biomechanically sound exercises.

  • Your Journey to Pain-Free Strength

Rebuild after injury or surgery with targeted routines while improving muscle balance and bone health through sound resistance training.

You will notice increased energy to help you age gracefully with workouts that adapt to your joints.

  • From Pain to Power—Find Your Starting Point.

FIS OnDemand offers safe, science-based workouts for real bodies. Train at your pace, protect your joints, and stay strong for life. You can access the OnDemand library 24/7 to move with you through all aspects of your life.

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