Retrocalcaneal bursitis (also known as ankle bursitis or Achilles tendon bursitis) is a condition in which the retrocalcaneal bursa, a small cushioning sac between the heel bone and the Achilles ...

When this tendon becomes inflamed, a condition known as Achilles tendinitis arises. This inflammation typically manifests as pain in the back of the ankle that worsens after exercise, walking, or ...