Includes seven spongy bones arranged in two rows. The proximal (posterior) row consists of two large bones: the talus and calcaneus; the remaining five tarsal bones form the distal (anterior) row.

Talus has a body, a head and a narrow part connecting them - a neck. The body of the talus is the largest part of the bone. Its upper part is a block of the talus with three articular surfaces. The upper surface is designed to articulate with the lower articular surface of the tibia.

Two other articular surfaces lying on the sides of the trochlea: the medial malleolar surface and the lateral malleolar surface articulate with the corresponding articular surfaces of the ankles of the tibia and fibula. The lateral malleolar surface is much larger than the medial one and reaches the lateral process of the talus.

Behind the trochlea, the posterior process of the talus extends from the body of the talus. The groove of the flexor hallucis longus tendon divides this process into a medial tubercle and a lateral tubercle. On the underside of the talus there are three articular surfaces for articulation with the calcaneus: the anterior calcaneal articular surface; the middle calcaneal articular surface and the posterior calcaneal articular surface. Between the middle and posterior articular surfaces there is a groove of the talus. The head of the talus is directed anteriorly and medially. To articulate it with the scaphoid bone, the rounded scaphoid articular surface is used.

Calcaneus- the largest bone of the foot. It is located under the talus bone and protrudes significantly from under it. At the back, the body of the calcaneus has a downwardly inclined tubercle of the calcaneus. On the upper side of the body of the calcaneus, three articular surfaces are distinguished: the anterior talar articular surface, the middle talar articular surface, and the posterior talar articular surface. These articular surfaces correspond to the calcaneal articular surfaces of the talus. Between the middle and posterior articular surfaces a groove of the calcaneus is visible, which, together with the corresponding groove on the talus, forms the sinus of the tarsus, the entrance to which is on the dorsum of the foot on the lateral side.

A short and thick process extends from the anterior superior edge of the calcaneus on the medial side - talus support. On the lateral surface of the calcaneus there is a groove for the tendon of the peroneus longus muscle. At the distal (anterior) end of the calcaneus, there is a cuboid articular surface for articulation with the cuboid bone.

Scaphoid located medially, between the talus and the three sphenoid bones. With its proximal concave surface it articulates with the head of the talus. The distal surface of the scaphoid is larger than the proximal one; it has three articular platforms for connection with the sphenoid bones. At the medial edge, the tuberosity of the scaphoid bone (the attachment site of the tibialis posterior muscle) is noticeable. The lateral aspect of the scaphoid may have an inconstant articular surface for articulation with the cuboid.

Sphenoid bones(medial, intermediate and lateral), located anterior to the navicular bone and located in the medial part of the foot. Of all the bones, the medial cuneiform bone is the largest, articulates with the base of the 1st metatarsal bone; intermediate sphenoid bone - with 2 metatarsal bone; lateral sphenoid bone - with 3rd metatarsal bone.

Cuboid located on the lateral side of the foot between the heel bone and the last two metatarsal bones. At the junction of these bones there are articular surfaces. In addition, on the medial side of the cuboid bone there is an articular platform for the lateral sphenoid bone, and somewhat posteriorly and smaller in size for articulation with the scaphoid bone. On the lower (plantar) side there is a tuberosity of the cuboid bone, in front of which there is a groove for the tendon of the peroneus longus muscle.

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2 anterior talar articular surface

See also in other dictionaries:

Talus- (talus) The talus, talus, is the only bone of the collum tali; the latter connects the body with the forward-facing foot, which articulates with the bones of the lower leg. Its posterior section is the head of the talus, caput tali. The talus bone on top is called... Atlas of Human Anatomy

Talus- Astragal (shown syn... Wikipedia

Foot bones- in the area of ​​the tarsus, tarsus, are represented by the following bones: talus, calcaneus, navicular, three wedge-shaped bones: medial, intermediate and lateral, and cuboid. The metatarsus, metatarsus, includes 5 metatarsal bones. Phalanxes...... Atlas of Human Anatomy

Skeleton of the free part of the lower limb- (pars libera membrae inferioris) consists of the femur, patella, leg bones and foot bones. The femur (os femoris) (Fig. 55, 56), as well as the humerus, ulna and radius, is a long tubular bone, the proximal epiphysis ... ... Atlas of Human Anatomy

Bones of the lower limb - … Atlas of Human Anatomy

Knee-joint- Three bones take part in the formation of the knee joint, articutatio genus: the distal epiphysis of the femur, the proximal epiphysis of the tibia and the patella. The articular surface of the femoral condyles is ellipsoidal, curvature... ... Atlas of Human Anatomy

Ankle joint- The ankle joint, articulatio talocruralis, is formed by the articular surfaces of the distal epiphyses of the tibia and fibula and the articular surface of the trochlea of ​​the talus. On the tibia, the articular surface is represented by... ... Atlas of Human Anatomy

Talus

Talus , talus (see fig.) is the only bone of the foot that articulates with the bones of the lower leg. Its posterior section is body of the talus, corpus tali. Anteriorly, the body passes into a narrowed section of the bone - neck of the talus, collum tali; the latter connects the body with the forward direction head of the talus, caput tali. The talus bone is covered from above and on the sides in the form of a fork by the bones of the lower leg. The ankle joint, articulatio talocruralis, is formed between the bones of the tibia and the talus. Accordingly, the articular surfaces are: upper surface of the talus, facies superior ossis tali, having the shape of a block - trochlea tali, and lateral, lateral And medial, ankle surfaces, facies malleolaris lateralis et facies malleolaris medialis. The upper surface of the block is convex in the sagittal direction and concave in the transverse direction.

The lateral and medial ankle surfaces are flat. Lateral malleolar surface extends to superior surface lateral process of the talus, processus lateralis tali. The posterior surface of the body of the talus crosses from top to bottom groove of the tendon of the long flexor of the big toe sulcus tendinis m. flexoris hallucis longi. The groove divides the posterior edge of the bone into two tubercles: the larger medial tubercle, tuberculum mediale, and smaller lateral tubercle, tuberculum laterale. Both tubercles, separated by a groove, form the posterior process of the talus, processus posterior tali. The lateral tubercle of the posterior process of the talus sometimes, in the case of its independent ossification, is a separate triangular bone, os trigonum.

On the lower surface of the body in the posterolateral region there is a concave posterior calcaneal articular surface, facies articularis calcanea posterior. The anteromedial sections of this surface are limited by the surface that runs from back to front and laterally groove of the talus, sulcus tali. Anterior and outward from this groove is located middle calcaneal articular surface, facies articularis calcanea media. Does not lie in front of anterior calcaneal articular surface, facies articularis calcanea anterior.

Through the articular surfaces, the lower part of the talus articulates with calcaneus. The anterior part of the head of the talus has a spherical shape scaphoid articular surface, facies articularis navicularis, through which it articulates with