Dr. Mike Stare is the owner and director of Spectrum Fitness Consulting. In this video, Dr Stare shares recent research to validate the best position to perfrom the plank in order to acheive optimal activation of the abdominal muscles. Also, he reveals why common mistakes are made with technique, and how to fix them by using a foam roll to modify the lever arm. Go to www.spectrumfit.net for more information abut Dr Stare and Spectrum Fitness Consulting.