Mat work meets functional movement in this class. You'll need something you can stand on AND something you can squeeze - a foam yoga block works great, but listen to the intro for some other options you can grab from your house. Concept of the day is neutral pelvis. It may seem nitpicky, but thinking about the placement of your pelvis helps you lock in the deep abdominals AND protects your back as you move... no overtucking or overarching which can put strain on the low spine and cause weakness elsewhere.