Cresta medial de la tróclea del talus - Medial ridge of trochlea tali


The trochlea of talus is a convex articular surface for the proximal part of articulation with tibia and fibula (only with tibia in horses). The trochlea presents a sagittal groove (central groove) that articulates with the sagittal ridge of cochlea of tibia. On each side of the sagittal groove are the lateral and medial trochlear ridges (sagittal ridges):

  • In carnivores, the trochlear ridges are less prominent and extend further distal than in other domestic animals adn account for the increasd mobility in the tarsus compared to other species.
  • In horses, the trochlear ridges are orientated obliquely in a mediolateral direction thus causing a forward and outward movement of the digit during flexion of the tarsus.
  • In ruminant, the trochlear ridges are directed sagittaly.


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