The Achilles tendon is the largest and strongest tendon in the body. It is the cord-like tendon that you can feel at the back of your ankle just above your heel. Normal function of the Achilles is essential to walk and run properly. An Achilles tendon tear is often referred to as an Achilles tendon rupture. Once you have seen what a ruptured Achilles tendon looks like at surgery, you will understand why – it looks a bit like spaghetti!..