Fitness ball is basically a big, somewhat bouncy ball designed for injured patients to be able to get some aerobic conditioning. It is used by physical therapists to rehabilitate back, knee, and hip injuries. It helps to provide master core stability, bal

Fixation forceps is used to fix the eyeball by holding the conjunctiva and episcleral tissue close to the limbus. It is necessary for inspection of the conjunctiva, including the nictitating membrane.

Fixed arthroscope consists of a tiny tube, a lens, and a light source. It is inserted into a small incision and allows a surgeon to look for joint damage or disease. This device also allows the surgeon to perform reconstructive procedures on the joint.