Get ready to use your spine corrector in ways you never imagined! In this crazy advanced, brilliant workout Kathi will mercilessly wake up and work those hard to access muscles that play crucial roles in form and posture. These exercises are as difficult as they get, but if done correctly they make the best tools for fine-tuning and perfecting your form on the Mat and Reformer. Throughout the workout Kathi gives detailed insight and explanation on how and why each particular exercise will benefit you, and, most importantly, how to perform them safely. This workout requires immense power and control, so grab a spotter if you have one handy! For info on training with Kathi visit: KathiRossNash.com.