ginasiovirtual.com - Training - Exercise list - Abdominal Jack Knife Abdominal Jack Knife Click on the image to see the animation  Subscribe to the ginasiovirtual.com anabolic newsletter Subscribe ShareClick to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to email this to a friend (Opens in new window)
