BSIP, CAVALLINI JAMES / SCIENCE PHOTO LIBRARY BSIP, CAVALLINI JAMES / SCIENCE PHOTO LIBRARY
Ruptured Achilles tendon. Sagittal (side view) magnetic resonance imaging (MRI) scan of a ruptured Achilles tendon (pink). The Achilles tendon is the largest and strongest tendon in the human body. It connects the heel bone (bottom right) to the calf muscles (top right). It can be injured during exercise, or by a trip or a fall, resulting in pain and swelling. Treatment is rest and physiotherapy, although in extreme cases surgery may be needed.
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