Bursa tendinis calcanei

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The Bursa tendinis calcanei (in veterinary anatomy as Bursa subtendinea calcanea musculi flexoris superficial digital referred to) is a bursa between the heel bone and the Achilles tendon . In addition to these two structures, it is also bounded by a body of fat lying in front of the Achilles tendon. The ventral part is lined by fiber cartilage, the rest of the wall, as with all bursa, by a synovial membrane ( membrana synovialis ). The human calcaneal bursa contains about 1 to 1.5 ml of fluid. The dorsiflexion in the ankle leads to an increase in pressure in the bursa, while the opposite movement causes a reduction in pressure.

An inflammation of the bursa ( bursitis tendinis calcanei ) may occur in connection with the Achilles tendon irritation. Misalignments such as a varus position of the heel or a hollow foot promote the occurrence of bursitis. In veterinary medicine, bursitis is also known as " egg gall ".


  • Jürgen Arnold: Orthopedics and orthopedic surgery: foot . Georg Thieme Verlag, 2002, ISBN 9783131262417 , p. 276.
  • Christoph Mülling et al. (Hrsg.): Atlas of the anatomy of the horse . Schlütersche, 7th edition 2014, ISBN 9783842684799 , p. 66.