Tibia Fibula
Tibia Fibula - Related Videos
01:10
Bones of the Lower Limb: Tibia and Fibula
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2025
The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...
04:00
Isolation and Culture of Bone Marrow Stromal Cells from a Mouse Tibia
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2025
In this video, we demonstrate the isolation and culture of bone marrow stromal cells from the long bones of mice. The isolated adherent BMSCs can be used for further analysis.
02:08
Surgical Bone Implantation Technique for Rat Tibia Models of Diabetes and Osteoporosis
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Cited by 2 •
2024
The placement of implants in a rat model is an essential experimental procedure for clinical research. This study presents a comprehensive surgical protocol for implanting titanium implants into the tibia of rat models with diabetes and osteoporosis.
08:33
Ankle Exam
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2023
Source: Robert E. Sallis, MD. Kaiser Permanente, Fontana, California, USA The ankle and foot provide the foundation for the body and the stability needed for upright posture and ambulation. Because of its weight-bearing function, the ankle joint is a common site of injury among athletes and in the general population. Ankle injuries occur as a result of both acute trauma and repetitive overuse (such as running). The ankle is a fairly simple joint, consisting of the articulation between the...
11:05
Generation and Identification of GM-CSF Derived Alveolar-like Macrophages and Dendritic Cells From Mouse Bone Marrow
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Cited by 18 •
2016
Bone marrow cells cultured with granulocyte macrophage colony stimulating factor (GM-CSF) generate a heterogeneous culture containing macrophages and dendritic cells (DCs). This method highlights using MHCII and hyaluronan (HA) binding to differentiate macrophages from the DCs in the GM-CSF culture. Macrophages in this culture have many similarities to alveolar macrophages.
FAQs
The tibia provides the principal structural support because it is the larger, weight-bearing bone. The fibula contributes less to direct load support but anchors muscles and helps stabilize the ankle. Their parallel arrangement allows the lower leg to combine support, muscle attachment, and joint stability during standing, walking, and running.
The interosseous membrane connects the tibia and fibula along their shafts, helping maintain their coordinated alignment as a lower-leg unit. This connection is relevant because the bones do not function as isolated structures: their relationship supports the framework that links knee and ankle mechanics with movement of the lower limb.
The tibia articulates with the femur at the knee and with the talus at the ankle, placing it directly within the main pathway between the thigh and foot. The fibula contributes to ankle stability while running parallel to the tibia. Together, these relationships help maintain aligned motion across the lower limb.
Aligned shafts provide a continuous framework through the lower leg, while the joint surfaces direct how forces pass between neighboring bones. During standing, walking, and running, this arrangement helps transmit forces and preserve stability. Disruption of alignment can therefore affect how movement loads the knee, ankle, and lower-limb framework.
These bones provide a useful framework for examining how injury affects a weight-bearing limb, because the tibia carries major support demands and the fibula contributes to ankle stability. Studying their shafts, connections, and joint relationships can help relate fracture location or alignment to changes in lower-limb mechanics and mobility.
Analysis of these bones connects anatomical changes with the functions required for movement. Injury may affect the tibia’s support role, the fibula’s contribution to ankle stability, the interosseous connection, or the alignment of joint surfaces. Considering these structures together helps explain why lower-limb mobility can change after damage.