A Jack Knife Turn!🤯, one of the hardest maneuvers perfectly done! Want to get your CDL license?! Driving Academy will help: Visit https://www.cdldrivingacademy.com/ Sign up for our guaranteed training course and get unlimited test attempts at no extra cost! #trucks #trucking #cdl #cdldrivers | Driving Academy

#MarchMatness2018, #Day19: Jack Knife - is an advanced and challenging exercise in the Pilates repertoire. This exercise focuses on building strength in your abdominal muscles, triceps, and is about whole body integration. I am doing the full version and @shaaziaq is doing the prep version of the Jack Knife, which is not easy either so don't try it as a beginner! ⚡⚡⚡⚡⚡⚡⚡⚡⚡⚡⚡⚡⚡ *Here are some tips for the Jackknife* ♦Use your abs and triceps to help you lift your legs overhead. ♦As soon as you to