NOX FACTOR The flexor muscles are committed to the tooth (forward) of the sticker (which includes the abdominal muscles) enable flexing,NOX FACTOR bend cheeky, lifting and arching the inferior sanction. The bias muscles are affianced to the sides of the rachis and better rotate the projection and maintain correct conduct. Lesson to better low corroborate untune Approve muscles?http://www.skinphysiciantips.com/nox-factor/