Fibula
Fibula
The Fibula (/ˈfɪbjʊlə/; Latin: fibula, meaning "clasp") is a bone located in the lower leg of humans and other mammals. It is smaller and, in humans, carries less weight than the adjacent Tibia, but it is integral to the structure and function of the leg.
Etymology
The term "fibula" comes from the Latin word fibula, which means "clasp" or "brooch". This is because the fibula and the Tibia together resemble an ancient brooch or clasp, with the fibula acting as the pin.
Anatomy
The fibula is located on the lateral side of the tibia and is the smaller of the two bones. It is connected to the tibia by the Interosseous Membrane, which helps to stabilize the leg. The fibula does not bear weight like the tibia, but it serves important muscular and ligamentous functions.
Function
The fibula serves several important functions in the body. It provides support for the muscles of the lower leg, including the Gastrocnemius and Soleus muscles, which are responsible for movement of the foot and ankle. The fibula also serves as a point of attachment for ligaments and tendons.
Related Terms
- Tibia: The larger of the two lower leg bones, located medially to the fibula.
- Interosseous Membrane: A fibrous membrane that connects the tibia and fibula.
- Gastrocnemius: A muscle located in the back part of the lower leg.
- Soleus: A muscle in the lower part of the leg that runs from just below the knee to the heel.
External links
- Medical encyclopedia article on Fibula
- Wikipedia's article - Fibula
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