Yoga Strong

Yoga Strong

These Yoga practice videos will improve range of motion by improving your muscle strength in various joint positions. Our methodology will improve core strength and re-sculpt your body using body weight, yoga props, and common resistance training tools. This collection has creative Yoga flows for all levels of fitness, therapeutic routines to help eliminate pain and inflammation, and powerful practices for those who want more of a challenge

Fitness Integrated Science™ is a fitness and health methodology that combines modern bio mechanic principles with unique and progressive strengthening techniques to guide our clients to improved muscular balance, joint stability, and range of motion. Fitness Integrated Science™ is also a Wellness and Personal Training Center in Louisville Kentucky offering private yoga, Pilates, personal training, and yoga therapy for individuals as well as small groups. We have a 500-hour teacher training program, Yoga Integrated Science™, that is registered through Yoga Alliance and provide Workshops and certification courses in Yoga, Pilates, Fitness and Personal Training.


Lauren Eirk is the creator of Yoga Integrated Science™ program, offering a unique, sound, biomechancial approach to Hatha Yoga designed to respect joint structure while improving muscle responsiveness and strength. She has spent her life teaching and studying in the health, fitness, and yoga communities, learning from some of the top minds of our time. Having worked in the health education field for over 30 years, Yoga I.S.® is her vision. Lauren’s training has made her highly sensitive to clients with complex, on-going neuro-muscular issues, helping her clients to navigate an effective exercise plan to accomplish their goals. Lauren has since expanded into Pilates Integrated Science™, Strength Integrated Science™, and Fitness Integrated Science™

Lauren’s work has been featured in such magazines as Yoga Journal®, Self®, IDEA® Fitness Journal, American Fitness Magazine, ACE Fitness Magazine, American Fitness Magazine, Fitness First Quarterly Magazine, AKWA Aquatic Exercise Magazine, Business First, Natural Awakenings, and New Woman Magazine. Lauren has presented for such fitness-health organizations and education conferences as IDEA World, IDEA Personal Trainer, Inner IDEA, FACTfest, AFPA, DCAC Fitness, AFS Succeed! Conference, ACSM Fitness Summit, AEA/ IAFC, ECA, Can-FIT Pro, Fit in the City®, Fitour®, Resist-A-Ball®, and Sarah’s City Workout®

+ B.S. Physical Therapy, University of Louisville
+ B.A. Art, French, University of Louisville
+ M.S. Health Fitness Management

Lauren is a Certified E-RYT 500 Level Registered Yoga instructor and has studied Yoga with Master teachers David Swenson, Sianna Sherman, John Friend, Mitchel Bleier, Francois Rault, Doug Keller, Doug Swenson, Judy Rice, Rodney Yee, Beryl Bender Birch, John Schumacher, and Ramanand Patel. She is a Certified Yoga Therapist C-IAYT with the International Association of Yoga Therapy and a Yoga Alliance® Continuing Education Provider (YACEP), she is the developer of the Yoga I.S.® method for Yoga, Barre, and Pilates-based classes, including the Yoga I.S. Mechanix™ method.

Lauren is a Mastery Level Muscle Activation Techniques™ Certified Specialist and MATRx Certified Full-Body Specialist Full Body, including the Lower Leg & Foot as well as the Wrist & Hand. Lauren’s MATRx delineation makes her one of 57 world-wide leading experts in the treatment of muscular Imbalances. Lauren is an International Continuing Education Provider with an established personal training business since 2006, held in the Yoga Integrated Science™ Personal Training Studio. Lauren has been a certified group fitness instructor for nearly three decades and has run many group fitness programs. She is the creator of Yoga with Resist-A-Ball®, a former Resist-A-Ball® and FiTour® Master Trainer and the recipient of the ECA OBOW Award 2007 “Most Mindful Program”. Lauren has taught group and private classes in over 27 fitness centers since the start of her fitness career in the year 1988. She has many years of experience teaching in elementary schools, college universities, hospitals, fitness centers, and community centers in various local, national, and international venues. Lauren specializes in fitness rehabilitation, health fitness management, program development, and continuing education. Lauren is a published author with extensive television and video experience. Lauren is a brand influencer for Athleta® Brand clothing and member of the Body Bar® Instructor Team.

Yoga Strong
  • Video 160 | Yoga for Physcial Fitness (30 Minute Workout) with Lauren Eirk

    Strengthen and tone your muscles while improving joint stability with these repeating Yoga flows. Notice an improvement in mobility as you target the legs, hips, core, and upper body. As you move with your breathing cycles, you will notice a considerable improvement in your cardiovascular outpu...

  • Video 178 | Healthy Body with Yoga (45 Minute Workout) with Lauren Eirk

    Lauren has spent over 35 years honing this unique, biomechanical approach to yoga by focusing on strengthening weak muscles in order to improve range joint stability. Often, we become "tight" when muscles are weak and the body tries to protect joints by creating an internal bracing system. When...

  • Video 180 | Seated Yoga Rx (40 Minute Workout) with Lauren Eirk

    Yoga is medicine. Not every workout needs to be a sweaty challenge. It is also important to nourish our body. Seated Yoga Rx will help rejuvenate your body and mind, countering repetitive joint stresses from running, cycling, or even sitting at your desk!

    This seated Yoga practice is appropri...

  • Video 190 | Yoga for Runners (30 Minute workout) with Lauren Eirk

    Running, walking, and many repetitive sports can lead to muscular imbalances due to continual training in the same positions. One of the reasons we get "tight" is because we get weaker in many other positions that are not being practiced. Just stretching into these positions can cause muscle in...

  • Video 196 | Yoga Tone (30 Minute Workout) with Lauren Eirk

    It is often that we feel the strength benefits from our legs when we do Yoga, but struggle to feel a challenge into the upper body unless we are doing some sort of arm balance or plank position. Since this can be taxing to the wrist and shoulders, an elastic band can be the very thing to use in ...

  • Video 202 | Yoga Rejuvenate and Restore (48 Minute Workout) with Lauren Eirk

    Tightness and fatigue in the body are often caused by weakness in the muscular system. Muscles can loose neurological input due to stress, trauma, overuse, dehydration, and poor nutrition. It is important to visit range of motion daily. Not only that, our muscles crave forces. In this video, ...