Through the addition of static friction as a source of resistance (added to gravity) the Ground Based Abs Program was design to provide a training stimulus above and beyond most other core training programs. 

In the 22-page manual and 16 video clips you will 

  • Learn a combination of NEW tweaks to scientifically proven and 100 year old exercises to activate a GREATER portion of the target muscles.

  • Learn exercises that emphasize both EXTERNAL looks and INTERNAL health.

  • Learn a targeted breathing technique to maximize tension while minimizing increases in blood pressure.

  • Learn a tweak to the McKenzie Press (AKA prone cobra) to release tension after workouts and be ready for the following day.

  • Learn a three day split to train the abdominals and back in all three cardinal planes and to achieve “near daily training.”

  • Learn a detailed, “simple, but not easy-to-follow” workout sheet that outlines # sets and time for all 21 workouts in the 28 day cycle – including the best ways to modify the program if needed.

Amazing program! Karsten has a unique style – different from other strength coaches in the market – and the exercises in the bonus videos add new life to training with suspension type equipment.
Senior Chief Petty Officer Laust Palle
PT Instructor, Danish Navy Frogman Corps

Karsten Jensen's Ground Based abs is both effective and educational. I have been in the fitness industry for 20years and I can honestly say that it has been a while since a core workout has challenged me in the way that Ground Based Abs did. It left me sore and aching for more. It is with confidence that I can recommend this program to our trainers to better their skill set and challenge not only themselves, but their clients as well. Thank You Karsten for developing this effective workout that can be done at home.
 Jeanette Magnoli

Register for Ground Based Abs Online Course

Continuing Education Credits

You can earn 4 CPTN CECs for this course. A 15-question multiple choice quiz must be completed and a grade of 70% or higher achieved in order to complete the course and earn continuing education credits. To access the quiz, log on to the Examinations page on and find the quiz listing for this course. (additional fee applies)

After purchasing the course, return to and 

  • log in from the main menu using the email address and password you created when you purchased the ebook.

  • You will land on the materials page for the book. When you return to the site and log in, you will see a My Courses listing in the main menu.

  • If you have registered for more than one Yes To Strength course or product you will see the access to all courses/products on your My Courses page.

 Copyright © 2007-2021 Yes To Strength and Karsten Jensen. All rights reserved. 

All information contained on is intended for use by individuals who are healthy, injury-free adults aged 18 years and older who possess sound knowledge and skill execution of strength training exercises and their application and a thorough understanding of proper exercise technique and their application. We urge you to exercise care and caution when attempting any of the exercises, combinations, tips and strategies mentioned and to seek competent help and counsel from trained medical or fitness experts before beginning any new exercise program, or if you have any questions about your health. and Karsten Jensen are neither responsible nor liable for any harm or injury resulting from use of the information described herein.

Mississauga, ON   CANADA

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