The Mustang Recliner features the Fjords Active Release System. It is a unique integrated mechanism providing the best support for the neck. It can be adjusted with a single movement to optimize your sitting experience when desired. Ergonomically designed, this chair provides continuous support and comfort. It helps to prevent your legs and back from getting tired, relax your body and enable your blood to circulate more freely. It is designed to comfortably support your spine at the correct angle.