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Deltoid ligament

Anatomical detail in the ankle

Summary

Anatomical detail in the ankle

Field	Value
Name	Deltoid ligament
Latin	ligamentum collaterale mediale articulationis talocruralis, ligamentum deltoideum
Image	Gray354.png
Caption	Ligaments of the medial aspect of the foot.
From	Talus bone (tarsal bones)
To	Medial malleolus of the tibia

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. The deltoid ligament is composed of 4 fibers:

Anterior tibiotalar ligament
Tibiocalcaneal ligament
Posterior tibiotalar ligament
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

File:Slide1CECU.JPG|Ankle joint.Deep section. File:Slide5CEC4.JPG|Ankle joint. Deep dissection. File:Slide6CEC5.JPG|Ankle joint. Deep dissection. File:Slide8CEC7.JPG|Ankle joint. Deep dissection.

References

(2013). "Anatomy & physiology". OpenStax.

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

ligaments-of-the-lower-limb lower-limb-anatomy

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