Fitness Smarts

Fitness Smarts

This video collection is composed of educational and instructional videos that teach you how to make your exercise and fitness programs more effective in order to gain better results and avoid injury. Learn ins-and-outs of exercise mechanics so that you understand how to best serve your body's unique structure and specific needs. Learn to apply anatomy and biomechanics to your exercise routines so that you can improve muscle strength, joint stability, and range of motion.

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 mentor for AFS Association of Fitness Studios.

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, a member of the Body Bar® Instructor Team with Yoga and Pilates programming, and an avid animal-rights advocate, collecting donations and hosting events in her business to benefit the Kentucky Humane Society.

Fitness Smarts
  • Video 055 | How to strengthen your chest with Lauren Eirk

    Learn how to incorporate a weighted bar into your Yoga practice in this follow-a-long strength-based practice that targets the chest, shoulders, and trunk. Discover some resistance training tips to progress or modify the overall challenge in each pose to improve overall effectiveness while maint...

  • Video 017 | Top Five Yoga Poses for Core Strength with Lauren Eirk

    This video will take an in-depth look at five different Yoga poses that can be specifically targeted to stimulate the muscles of the trunk and spine. This video incorporates a small inflatable Pilates sponge ball and Yoga Strap to add further resistance. See how forces can be re-directed into ...

  • Video 032 | Yoga Mechanics for the Hips with Lauren Eirk

    This educational video discusses some of the issues with adapting yoga postures to account for structural differences in the hip as well as tips on how to strengthen hip musculature in yoga for improved overall joint stability

    Fitness Integrated Science™ is a fitness and health methodology that ...

  • Video 008 | Planking 101 with Lauren Eirk

    The Plank is one of the most widely utilized exercises today in fitness, yoga, Pilates and rehab settings. It is not as simple as it seems! Being on the hands, core strength deficits, shoulder issues, etc can make plank problematic. In this video, we will cover various modifications that can m...

  • Video 014 | How to Strengthen Your Upper Body with Lauren Eirk

    Uncover ways to strengthen the shoulder complex in your yoga asana practice using an elastic band. Adding resistance to the upper extremities in standing positions such as Warrior I, II, and III can increase our ability to stabilize our core, distribute muscular forces, and alter which areas of...

  • Video 018 | Crunches on a stability Ball with Lauren Eirk

    Using a tutorial about the anatomy of the human spine, Lauren will show you some of the common mistakes people make when performing crunches on a ball and how these exercises can be more successfully performed when positioning oneself properly over the stability ball. She will show you some grea...

  • Video 027 | Tips for Standing on one Leg with Lauren Eirk

    In this video, Lauren will give you some anatomical reasons why standing on leg is so challenging. We will cover three major one-leg balancing poses from Hatha yoga, breaking down the major joint-related mechanical issues in each. You will learn some progressive steps to begin strengthening the...

  • Video 028 | Help for Tight Hamstrings with Lauren Eirk

    In this video, Lauren will explain why hamstring and low back tightness can be caused from weakness in the flexors of the hips. Experience a strengthening Yoga Therapy routine that is designed to strengthen the hip flexors, engage the core, and improve muscular balance at the hip.

    Fitness Int...

  • Video 029 | Shoulder Mechanics with Lauren Eirk

    Learn about the anatomal role and motions of the sternoclavicular joint of the shoulder and why the mechanics of this joint play such an important role in many yoga asanas. Learn how to strengthen the muscles that control this joint with some simple adjustments to increase core stability.


  • Video 031 | How to Make the Foot and Ankle Stronger with Lauren Eirk

    Uncovering the secrets to better balance, Lauren discusses the basic mechanics and importance of the foot and ankle joints as well as some effective yoga therapy strengthening exercises.

    Fitness Integrated Science™ is a fitness and health methodology that combines modern bio mechanic principle...

  • Video 033 | How to Strengthen the Knee and Hip with Lauren Eirk

    This video will show you some simple isometric yoga positions performed with various yoga props to improve your ability to balance, get up and down off the floor, and have better motor control in squatting and lunging motions.

    Fitness Integrated Science™ is a fitness and health methodology tha...

  • Video 038 | How to have a Strong and Healthy Back with Lauren Eirk

    Back Pain is common in our culture, which can result from injury but also as a byproduct of aging and sedentary lifestyles. In this video, experience several common yoga postures with specific directional cues to help you evaluate where your range of motion deficits are coming from and how to be...

  • Video 045 | How to Improve your Balance Using External Loads with Lauren Eirk

    In our daily life, we may not always be able to predict how the external environment will challenge our body. In Yoga, we can learn to create powerful internal forces as our muscles become stronger in many challenging positions, but as soon as an external force acts upon us, our muscles need to ...

  • Video 049 | Help Rolling Up Off the Floor with Lauren Eirk

    Going from Supine to sitting involves development of core strength but in addition it requires the right leverage! In this video, learn why some people will always have difficulty with the "roll up" and mechanical techniques to combat this.

    Fitness Integrated Science™ is a fitness and health ...

  • FIS - Fitness Smarts

    This video collection is composed of educational and instructional videos that teach you how to make your exercise and fitness programs more effective in order to gain better results and avoid injury. Learn ins-and-outs of exercise mechanics so that you understand how to best serve your body's u...

  • Video 114 | Isometrics for Core Training (60 Minute Workout) with Lauren Eirk

    Isometric strength training is one of the most powerful ways to improve muscular strength, responsiveness, and balance. Isometric training is one of the safest forms of exercise to do. They are used often in physical therapy to rehabilitate someone from injury and heal, however athletes use th...