Intertarsal joints
Intertarsal joints are joints in the foot located between the tarsal bones, which are a group of seven articulating bones in each foot situated between the lower end of tibia and fibula of the lower leg and the metatarsus. The intertarsal joints include the subtalar joint, talocalcaneonavicular joint, calcaneocuboid joint, cuneonavicular joint, cuboideonavicular joint, and intercuneiform and cuneocuboid joints.
Etymology[edit | edit source]
The term "intertarsal" is derived from the Latin words "inter," meaning between, and "tarsus," referring to the ankle region. Thus, "intertarsal" essentially means "between the tarsal bones."
Anatomy[edit | edit source]
The tarsal bones are arranged in two rows: the proximal row and the distal row. The proximal row is formed by the talus and the calcaneus, while the distal row is formed by the navicular, three cuneiforms (medial, intermediate, and lateral), and the cuboid. The intertarsal joints are the articulations between these bones.
Subtalar joint[edit | edit source]
The subtalar joint is an articulation between the talus and the calcaneus. It allows for inversion and eversion of the foot.
[edit | edit source]
The talocalcaneonavicular joint is a complex joint in the ankle. It is formed by the head of the talus, the anterior articular surface of the calcaneus, and the navicular.
Calcaneocuboid joint[edit | edit source]
The calcaneocuboid joint is an articulation between the calcaneus and the cuboid. It allows for limited gliding movements.
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The cuneonavicular joint is an articulation between the navicular and the three cuneiform bones. It allows for gliding and slight rotary movements.
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The cuboideonavicular joint is an articulation between the cuboid and the navicular. It allows for gliding movements.
Intercuneiform and cuneocuboid joints[edit | edit source]
The intercuneiform and cuneocuboid joints are articulations between the cuneiform bones and between the lateral cuneiform and the cuboid. They allow for gliding movements.
Clinical significance[edit | edit source]
Intertarsal joints play a crucial role in foot mobility and stability. Disorders or injuries affecting these joints can lead to conditions such as arthritis, sprain, fracture, or dislocation, causing pain, swelling, and difficulty in walking.
See also[edit | edit source]
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