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Deltoid ligament

Deltoid ligament
Ligaments of the medial aspect of the foot.
Details
FromTalus bone (tarsal bones)
ToMedial malleolus of the tibia
Identifiers
Latinligamentum collaterale mediale articulationis talocruralis, ligamentum deltoideum
TA98A03.6.10.003
TA21913
FMA44055
Anatomical terminology

The deltoid ligament (or medial ligament of talocrural joint) is a strong, flat, triangular band, attached, above, to the apex and anterior and posterior borders of the medial malleolus. The deltoid ligament supports the ankle joint and also resists excessive eversion of the foot.[1] The deltoid ligament is composed of 4 fibers:

  1. Anterior tibiotalar ligament
  2. Tibiocalcaneal ligament
  3. Posterior tibiotalar ligament
  4. Tibionavicular ligament.

It consists of two sets of fibers, superficial and deep.

Superficial fibres

Of the superficial fibres,

  • tibionavicular pass forward to be inserted into the tuberosity of the navicular bone, and immediately behind this they blend with the medial margin of the plantar calcaneonavicular ligament;
  • tibiocalcaneal descend almost perpendicularly to be inserted into the whole length of the sustentaculum tali of the calcaneus;
  • posterior tibiotalar from the posterior colliculus of the medial malleolus to the posteromedial surface of the talus

Deep fibres

The deep fibres (anterior tibiotalar) are attached from the anterior colliculus of the medial malleolus to the medial talus and medial tubercle

Coverings

The deltoid ligament is covered by the tendons of the tibialis posterior and flexor digitorum longus which are supplied by the tibial nerve (L4, L5, S1, S2, and S3).

Additional Images

References

  1. ^ Betts, J. Gordon (2013). Anatomy & physiology. Houston, Texas: OpenStax. ISBN 978-1-947172-04-3. Retrieved 16 April 2023.

Public domain This article incorporates text in the public domain from page 350 of the 20th edition of Gray's Anatomy (1918)

  • Thompson, Jon C. Netter's concise atlas of orthopaedic anatomy. Icon Learning Systems, 2002. 349-351
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Deltoid ligament
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