The actual diagnosis relies on the patient’s history of the event, a physical exam, and a positive Thompson’s test. During the physical exam, the physician will inspect the patient’s lower leg for tenderness and swelling. If the tendon is completely ruptured the physician can feel a gap in the tendon. A physician may ask the patient to kneel on a chair, he will then squeeze the calf muscle to see if the foot automatically flexes. This is called a Thompson’s test, If it does not flex, you have ruptured your Achilles tendon (otherwise known as a Positive Thompson’s test). An ultrasound or MRI is another way to confirm that the tendon is torn. A strength assessment is sometimes used to determine how much strength the patient has gained or