Tendinitis of the Achilles Anatomy
To better understand Achilles tendinitis, it helps to understand the anatomy around the ankle joint.
Tendons are strong bands that connect muscles to bones. The Achilles tendon is the large tendon that connects the calf muscle or gastrocnemius to your heel bone. The gastrocnemius muscle is composed of two muscle bellies: the medial and lateral heads. The action of the gastrocnemius serves to flex the leg and plantar flex the foot.
- Achilles tendon
- Ankle joint
- Achilles tendinitis pain distribution
- Aldridge T. Diagnosing heel pain in adults. Am Fam Physician. 2004 Jul 15;70(2):332-8. 
- Alfredson H. Chronic midportion Achilles tendinopathy: an update on research and treatment. Clin Sports Med. 2003 Oct;22(4):727-41. 
- McLauchlan GJ, Handoll HH. Interventions for treating acute and chronic Achilles tendinitis. Cochrane Database Syst Rev. 2001;(2):CD000232. 
- Paavola M, Kannus P, Jarvinen TA, Khan K, Jozsa L, Jarvinen M. Achilles tendinopathy. J Bone Joint Surg Am. 2002 Nov;84-A(11):2062-76. 
- Sella EJ. Disorders of the Achilles tendon and its insertion. Clin Podiatr Med Surg. 2005 Jan;22(1):87-99, vii.