 Richard Schuster and Steven Subotnick, Dr. Hlavac is considered to be a pioneer in the modern use of podiatric clinical biomechanics for the management of foot, knee, hip and back pain and treatment of athletic injuries.The "Footspring" formerly known as the 'Lavac Strap' was patented by Hlavac for relief of plantar fasciitis, heel pain, and to control foot function, as an alternative to sports taping commonly used by athletic trainers.The 'Biopedal' is a patented adjustable orthotic bicycle pedal for balanced performance on bicycle and rehabilitation equipment.