Podcast
Questions and Answers
How many bones are in the foot and ankle?
How many bones are in the foot and ankle?
28 bones
How many joints are in the foot and ankle?
How many joints are in the foot and ankle?
33 joints
What is the function of the foot as a flexible structure?
What is the function of the foot as a flexible structure?
Conforming to uneven terrain
What is the function of the foot as a rigid structure?
What is the function of the foot as a rigid structure?
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What is the talocrural joint commonly known as?
What is the talocrural joint commonly known as?
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Study Notes
Anatomy of the Foot and Ankle
- The foot and ankle form a complex system consisting of 28 bones, 33 joints, 112 ligaments, and 34 muscles (13 extrinsic and 21 intrinsic).
Subdivisions of the Foot
- The foot is subdivided into the rearfoot, midfoot, and forefoot.
Functions of the Foot and Ankle
- The foot and ankle provide various important functions, including:
- Acting as a rigid structure for weight bearing
- Acting as a flexible structure to conform to uneven terrain
Anatomy of the Ankle Joint
- The ankle or tibiotalar joint constitutes the junction of the lower leg and foot.
- The osseous components of the ankle joint include:
- Distal tibia
- Distal fibula
- Talus
Anatomic Structures below the Ankle Joint
- The anatomic structures below the ankle joint comprise the foot.
Talocrural (TC) Joint
- The talocrural joint is formed between the distal tibia-fibula and the talus.
- Also known as the ankle joint.
- The distal and inferior aspect of the tibia, known as the plafond, is connected to the fibula via tibiofibular ligaments.
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Description
Test your knowledge of foot and ankle anatomy with this quiz. Explore the bones, joints, ligaments, and muscles that make up this complex system, and learn about its functions in weight bearing and adapting to different terrains.
