Recently I attended an Air Core class at the “Flex and Fit” studios in downtown Charlotte, NC. So what is Air Core? In essence, it is a fast-paced workout using aerial silk hammocks designed to strengthen and tone your abdominals, obliques and lower back. The class consists of high reps over multiple circuits. Some of the exercises we performed with the silks were planks, pikes, leg-lifts and V-sits. I was really impressed with the Flex and Fit studio. They have...