Fooch's note: socalisteph wrote this three years ago about Michael Crabtree. Every injury is different, but it is still applicable to NaVorro Bowman.
By now, you've probably heard the jolting news. Michael Crabtree ruptured his Achilles tendon during organized team activities. Before you let loose with every known expletive, let's examine the nature of Crabtree's injury.
The Achilles tendon is the thickest and strongest tendon in the body. It connects your calf muscle to your heel bone. When a person flexes the calf muscles, the Achilles tendon pulls on the heel.