Sigma Instruments Holdings (Est:1995) of the USA, manufacture the Backattack Ultralign for analysis and treatment of the musculoskeletal system.
Sigma specialise in physical, rehabilitative and veterinary medicine, treating conditions associated with peripheral vascular and peripheral neuropathy (i.e., deep vein thrombosis, ischemic skin conditions, and peripheral artery disease), as well as providing a variety of aesthetic applications....