Wright Medical Group develops medical devices and products in five categories: lower extremities, upper extremities, biologics, large joints, and sport medicine, and other. Products for lower extremities include joint implants and bone fixation devices for the foot and ankle, whereas products for upper extremities include implants and devices for the shoulder, elbow, wrist, and hand. The biologics business sells products used to treat damaged or diseased bone, tendons, and soft tissues or to stimulate bone growth. The large joints business sells hip and knee replacement implants. The firm's sports medicine products are used to mechanically repair tissue injuries. Wright Medical Group generates the majority of its revenue in the United States.