For more information about the study results, check out this link: http://www.nasm.org/1/HFPN/Research_Library/Research_Summaries/Core/Changes_in_Deep_Abdominal_Muscle_Thickness_During_Common_Trunk-Strengthening_Exercises_Using_Ultrasound_Imaging/

Pinnacle Fitness Personal Training is a Vancouver, BC-based personal trainer service dedicated to helping clients achieve their fitness goals and reach their optimum level of athletic conditioning.
