the OS or operating system for your BODY GUITAR, requiring the pumping of your blood to your Bracing Muscles vs. pumping iron. Beyond strength training, one relies on Circulation Training – to strengthen the Bracing Muscles of your lumbar spine. This new way of addressing low back pain, this new OS, offers a revolutionary method of pelvic neutrality and true posture to both strengthen and provide tuning feedback on the Bracing Muscles of your BODY GUITAR.