Get Fit With 6: March Challenge Get fit with 6 - March By Kim Ratcliff | March 2, 2021 at 4:45 AM EST - Updated March 2 at 7:39 AM WILMINGTON, N.C. (WECT) - This month is all about strengthening your core. As always there are also some cardio exercises. This month includes mostly planks, reverse leg lunges, and jump squats. There are also crunches and sumos peppered in. The idea for these challenges is change up the exercises so you don’t get bored doing one routine. Plank Hold the position making sure your back is like a table top. Be sure you don’t dip your back to the floor or raise your rear end.