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Multiple Choice
Which bones articulate with the distal ends of the tibia and fibula?
A
Calcaneus
B
Navicular
C
Cuboid
D
Talus
Verified step by step guidance
1
Understand the anatomy of the tibia and fibula: The tibia is the larger, medial bone of the lower leg, and the fibula is the smaller, lateral bone. Both bones form the ankle joint at their distal ends.
Learn about the talus bone: The talus is one of the tarsal bones in the foot. It is located between the tibia and fibula proximally and the calcaneus distally. It plays a key role in forming the ankle joint.
Identify the articulation: The distal ends of the tibia and fibula form a structure called the mortise, which articulates with the talus bone to create the ankle joint. This articulation allows for movements such as dorsiflexion and plantarflexion.
Exclude other options: The calcaneus, navicular, and cuboid bones are also tarsal bones, but they do not directly articulate with the tibia and fibula. The calcaneus is below the talus, the navicular is anterior to the talus, and the cuboid is lateral to the navicular.
Conclude the correct answer: Based on the anatomy and articulation, the talus is the only bone that directly articulates with the distal ends of the tibia and fibula.