Talus
Description
Name
- Talus
- Astragalus
- Ankle bone
- Talar bone
- Ankle tarsal
- Trochlear bone of the foot
- Superior tarsal bone
- Os tali
General
- One of the 3 bones of the ankle joint
- One of the tarsal bones of the foot
- 60% to 70% covered in articular cartilage[5]
- No muscular attachments
- Articulates with capsuloligamentous restraints
Anatomic Landmarks
- Body
- Trapezoidal
- Superior: convex talar dome
- Floor: concave surface
- Neck
- Anterior to body
- Head
- Convex, articulates with Navicular
- Supported by the Calcaneonavicular Ligament
- Lateral Process
- Posterior process
Actions
- Transfer load from the Tibia/leg to the foot
- Forms the ankle joint, permitting dorsiflexion and plantarflexion
Vascular Supply
- Contributions from[6]
- Tibial Artery
- Posterior Tibial Artery
- Perforating Peroneal Artery
- Dorsalis Pedis
- Artery of the tarsal sinus
Innervation
- Branches of
Clinical Significance
See Also
References
- ↑ Figus, Carla, et al. "Becoming adults: exploring the late ontogeny of the human talus." Frontiers in ecology and evolution 11 (2023): 1205277.
- ↑ Image courtesy of anatomy.app
- ↑ Case courtesy of Matt Skalski, Radiopaedia.org, rID: 31891
- ↑ Image courtesy of askmsk.in
- ↑ Higgins, TF, Baumgaertner, MR. Diagnosis and treatment of fractures of the talus: a comprehensive review of the literature. Foot Ankle Int. 1999;20(9):595–605.
- ↑ Buza, JA, Leucht, P. Fractures of the talus: current concepts and new developments. Foot Ankle Surg. 2018;24(4):282–290.