Founder Lauren Eirk

The creator of Yoga Integrated Science™, Lauren Eirk, MS 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 25 years, Yoga I.S.® is her vision.

Lauren’s work has been featured in such magazines as Yoga Journal®, Self®, IDEA® Fitness Journal, 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 Houston and DCAC International, AEA/ IAFC, ECA, Can-FIT Pro, Fit in the City®, Fitour®, Resist-A-Ball®, and Sarah’s City Workout®

  • B.A. Double Major: Art and French, University of Louisville: Graduated Cum Laude
  • B.S. Physical Therapy, University of Louisville
  • M.S. Health Fitness Management: Graduated Magna Cum Laude



Lauren is a Certified E-RYT 500 Level Registered Yoga instructor and has studied Yoga with  Master teachers David Swenson, Sianna Sherman, John Friend, Francois Rault, Doug Keller, Doug Swenson, 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 Rx Prescriptive Rules Certified Specialist for the full body, including the lower leg & foot as well as the  wrist & hand.  There are only 57 MATRx Specialists in the world.  She is, an 16681828_10155030823807378_2496617216240476814_nInternational Continuing Education Provider with an established personal training business since 2006, held in the Yoga Integrated Science™ Personal Training Studio. Lauren is a certified personal trainer, member of the Body Bar® Instructor Team, and Brand Influencer for Athleta® Clothing.  She is a Mentor for AFS, Association for Fitness Studios, offering guidance to other health and fitness entrepreneurs.  Lauren has been a certified group fitness instructor for over two 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, 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’s mission is to make Yoga more accessible for more people by teaching according to the laws of physics and exercise mechanics.  Having suffered from an eating disorder as a teen, Lauren wants to help people learn to accept and take care of their bodies by teaching them how to raise self esteem and body image.  Lauren has a passion for animal rights and partners with the Kentucky The Humane Society to hold regular donation-based charity yoga classes to raise money for the animals and feature adoptable dogs, cats.  She is a supporter of the Alley Cats in Kentucky and has five rescue cats, Jacob, Edward, Leo, Gabriel and Joe that are the loves of her life!

International Conference Experience

American Fitness Professionals Association:   

Hilton Head Island:   March 2001, 2002, 2004
Myrtle Beach, SC: Oct 2009, 2010
Ocean City, MD: April 2001, 2003, 2004, 2008, 2009, 2010, 2013
Grand Rapids, MI: Sept 2003, 2004
Charlotte, NC:   October 2003    

FACTfest/IDEA:  April 2002- 2005, 2008, 2009 (Chicago, IL)  

DCAC Mind/Body Fitness ConferenceAugust 2001-2010, 2012, 2013, 2014, 2016, 2018, 2019 (Mechanicsville, VA)   

DCAC Mind/Body Specialty Conference: February 2004, 2005, 2006 (Richmond, VA)   

DCAC Houston Mind/Body Specialty Conference: 2008 – 2012 (Houston, TX)  

Aquatic Exercise Association / IAFC:   June 2003 (Sanibel Island, FL), May 2004-2011, 2019 (Orlando, FL)

ACSM Fitness Summit: April 2019 (Chicago, IL)

AEA Bellvue Fitness Conference: October 2004 (Seattle, WA)  

AFS Association of Fitness Studios Business Conference: April 2019 (Anaheim, CA)

Mercy Health Plex Fitness Conference: November 2002. 2003 (Cincinnati, OH)  

IDEA International Yoga/Pilates Conference:    July 2003 (Anaheim, CA)

Inner IDEA: September 2008 (Palm Springs, CA), October 2011 (La Jolla, CA), October 2012, (Palm Springs, CA)

IDEA Personal Trainer /Institute: February 2010 (New York, NY) 

World Fitness IDEA: July 2002(San Diego, CA), July 2003 (Anaheim, CA), July 2005 (Las Vegas, NV), July 2006 (Las Vegas, NV), July 2007 (San Diego, CA), July 2008 (Las Vegas, NV), Aug 2010 (Los Angeles, CA), Aug 2011 (San Diego, CA), Aug 2012 (Los Angeles, CA), Aug 2013 (Los Angeles, CA), Aug 2014  (Anaheim, CA), July 2015 (Los Angeles, CA), July 2017 (Los Vegas), 2019 (Anaheim, CA)

Serendipity Fest: June 2014 (Cloverdale, IN)

Canfit PRO: September 2003 (Toronto, Canada)  

ECA World Fitness: November 2005, 2006 (Miami, FL), September 2007 (Ft. Lauderdale, FL)  

ECA Boston Balance 2008 Convention: April 2008  

Fit In The City: September 2005 (Columbus, OH), August 2006 (Columbus, OH)

Fitness Fest Expo and Convention: May 2016 (Phoenix, AZ)  

National Elite Fitness Congress: April 2002 Houston, TX, July 2002 Boston, October 2002 Portland,
OR, Nov. 2002, March 2003 Orlando, FL

Resist-A-Ball® C.O.R.E. Master Trainer Camp: October 2000, 2001, 2003 (Evergreen, AL) 

Sara’s City Dallas Mania: August 2002, 2001, 2000 (Dallas, TX)  

Sara’s City Midwest Mania: November 2001, 2000, 1999 (Chicago, IL) 

Sara’s City Atlanta Mania: July 2001, 2000 (Atlanta, GA)                                                                               

Sara’s City Florida Mania: June 2001 (Orlando, FL)  

Deep South Convention: October 2001 (New Orleans, LA) 

5 Planeta Fitness Convention: September 2000 (Barcelona, Spain)

Sports City: September 2008, 2009 (Mexico City, Mexico)

Domestic Presentations 

Yoga I.S.® Courses

October 2006, Louisville, KY/ Yoga I.S®
December 2007, Louisville, KY/ Yoga I.S® Flexibility Advanced Training
December 2007, Reno, NV/ Yoga I.S. Mechanics
February 23, 2008, Louisville, KY/Yoga I.S®. Advanced Flexibility Training Lecture
February 24, 2008, Louisville, KY/ Yoga I.S® Advanced Flexibility Training Practical
March 9, 2008, Louisville, KY/Yoga I.S®. Advanced Flexibility Training Master Class & Review
June 2010, Louisville KY/ Yoga I.S ® Weekend: Building the Foundation
July 2010, Louisville, KY/ Yoga I.S ® Weekend: Creating the Class
August 2010, Louisville, KY/ Yoga I.S® Weekend: Establishing the Mind/Body Connection
October 2011-March 2012, Louisville, KY/ Yoga I.S® 200 hour program
April 2012-December 2012, Louisville, KY/ Yoga I.S® 200 hour program
February 2013- July 2013, Louisville, KY/ Yoga I.S® 200 hour program
February 2013- July 2013, Williamsburg, VA/ Yoga I.S® 200 hour program
October 2013- March 2014, Louisville, KY/ Yoga I.S® 200 hour program
October 2013- January 2014 Grand Union, CO/ Yoga I.S® 200 hour program
April 2014- September 2014 Louisville, KY/ Yoga IS 200® hour program
January 2014- Louisville, KY / Yoga for Therapeutic Back Care
March 2015 – December 2015 Louisville, KY / 300 hour Advanced Therapeutics Course Program
April 2015- September 2015 / Louisville, KY/ Yoga IS 200® hour program
February 2016-June 2016 / Louisville, KY / Yoga IS 200® hour program
September 2016-March 2017 / Louisville, KY / Yoga IS 200® hour program
September 2017-March 2018 / Louisville, KY / Yoga IS 200® hour program
September 2017-March 2018 / Louisville, KY / Yoga IS 200® hour program

Muscle Activation Techniques: Trunk and Spine Jump Start

April 28-29, 2012; Louisville, KY
December 1-2, 2012; Louisville, KY
August, 2013, Louisville, KY

Muscle Activation Techniques: Lower Body Jump Start
September 15-16, 2012; Louisville, KY
June 2013, Louisville, KY

Muscle Activation Techniques: Upper Body Jump Start
October 20-21, 2012; Louisville, KY
July 2013, Louisville, KY

Resistance Training Specialist RTS1
July 19, 20 2008, Tampa, FL
May24, 25 2009 Louisville, KY

Resistance Training Specialist RTS2
August 23, 24 2008, Tampa FL
June 27, 28 2009, Louisville, KY

Resistance Training Specialist RTS3
October 4-5, 2008 Tampa FL
July 25-26 2009, Louisville, KY

Yoga With Resist-A-Ball® Certifications
March 2002, Orange County
March 2002, La Jolla, CA
March 2002, New York
September 2002, Burlingame, CA
September 2003, Kissimee, FL
September 2002, Louisville, KY
October 2002, Burlington, North Carolina
October 2002, Rolla, Missouri
October 2003 Jackson, MS
November 2002, McCall, Idaho
November 2002, Needham, Massachusetts
Lindenhurst, IL February 2003
Syracuse, NY March 2003
Raleigh Durham, NC April 2003
May 2004, Louisville, KY

Stability Ball/Medicine Ball Exercises for the Spine and Trunk
October 2006, Louisville, KY  

Going Ballistic Masterclass
October 2006, Louisville, KY

AAA Yoga
November 2006, Louisville, KY

Mind/Body/Ball Master Class
November 2006, Louisville, KY

Yoga/Resistance: Internal/External Forces
November 2006, Louisville, KY  

Ashtanga Vinyasa Yoga, Yoga Ball
February 2002, Raleigh-Durham
March 2002, Cincinnati, OH
September 2003, Raleigh- Durham
Louisville, KY 2004

Ashtanga Vinyasa Yoga, AAA Yoga, Golden Yoga
December 2003, Green Bay, WI
Raleigh Durham 2003

Presented two yoga workshops in thirty-two U.S. cities on nationwide tour. January 1999- November 2000

Resist-A-Ball® C.O.R.E. Module Training:
Western KY University 2002
Louisville, KY-August 2002
Louisville, KY-June 2002
Columbus, OH-April 2001
Tampa, FL-April 2001
Louisville, KY-February 2001
Louisville, KY-April 1999
Bowling Green, KY February 2003
Columbus, OH February, 2003
Louisville, KY June 2003 level 1
March 2004 Level 1, Louisville, KY
April 2004 Level 2, Louisville, KY
October 2004 Level 1, Louisville, KY

Fitness Yoga
March 2000, Greater Cincinnati YMCA

Yoga: Past, Present, and Future
March 2000, Greater Cincinnati YMCA; Cincinnati, OH

Get On the Ball
January 1999, Ladies Workout Express; Louisville, KY

Step Two For One
March 1999, Milestone Fitness Center, Louisville, KY

Resist-A-Ball ®
January 1998, World Gym Louisville, KY

Yoga and Flexibility Training
May 1998, World Gym Louisville, KY

Resist-A-Ball Basic Training
October 1998, Milestone Fitness Center, Louisville, KY 

Double Step
April 1998, Westside Athletic Club; Brentwood, TN

Vertical Step
September 1997, The Club at Green Hills; Nashville, TN

Double Step
November 1997, The Sports Village; Lebanon, TN

Double Step
November1997, Powerhouse Gym; Nashville, TN

January 1997, Downtown YMCA, Louisville, KY

Building Blocks: Creating Choreography
March 1997, World Gym Louisville, KY 

How To: Resistance Tubing
May 1997, World Gym Louisville, KY

June 1997, World Gym Louisville, KY

Stretching on the Ball
August 1997, World Gym Louisville, KY

Funk Aerobics
June 1996 Louisville, KY, Downtown YMCA


Top 10 Yoga and Pilates CORE Exercises 2015
Yoga I.S.® and the Hip 2014
Yoga I.S. ® Teaching to Multiple Levels 2010
YOGression™ Creative Yoga Sequences 2008
Muscle- TECH: Elastic Resistance 2009
The Secrets Behind the Poses 2010
Training Issues and Solutions for Older Adults 2011
Advanced Cueing for Maximal Training Results 2012
Yoga With Resist-A-Ball® 1998

Authored Courses and Manuals         

Yoga With Resist-A-Ball Specialty Certification ©1998
Yoga I.S. RYS 200 hour Teacher Training Course ©2011, revised 2012-2015
Yoga I.S. RYS 300 Advanced Therapeutics Courses © 2015
Yoga I.S. RYS 300 Yoga I.S. Mechanix Program © 2009, revised 2010-2015