Related Experiment Video
Updated: Jun 27, 2026

07:24
Autologous Microfractured and Purified Adipose Tissue for Arthroscopic Management of Osteochondral Lesions of the Talus
Published on: January 23, 2018
[Development and biomechanics of the talocrural joint]
1Anatomický ústav 1. lékarské fakulty Univerzity Karlovy, Praha, Czech Republic.
Summary
This study reveals the talocrural joint
Area of Science:
- Anatomy and biomechanics of the talocrural joint and related structures.
- Embryological development of the foot and ankle.
- Orthopedic surgery and implant design.
Context:
- The talocrural joint, crucial for ankle function, involves complex interactions between the tibia, fibula, and talus.
- Existing talocrural joint prostheses often fail due to overlooking physiological movements and biomechanics.
- Congenital conditions like clubfoot (pes equinovarus) have developmental origins related to tendon positioning.
Purpose:
- To elucidate the developmental anatomy and biomechanics of the talocrural joint and distal tibiofibular articulation.
- To identify reasons for the functional failure of current talocrural joint prostheses.
- To investigate the developmental etiology of congenital clubfoot and propose surgical modifications.
Summary:
- The distal tibiofibular syndesmosis includes an articulation (articulation tibiofibularis distalis) that communicates with the talocrural joint, enabling tibial and fibular movement.
- Surgical treatment of talocrural injuries should preserve these tibiofibular movements; current prostheses fail by not accommodating them.
- Pes equinovarus congenitus arises from delayed medial-to-axial shifting of the Achilles tendon during fetal development, suggesting surgical transposition as a treatment.
Impact:
- Recommendations for preserving tibiofibular mobility during talocrural injury surgery.
- Defined criteria for designing more successful talocrural joint prostheses.
- A modified surgical approach for congenital clubfoot involving Achilles tendon repositioning.
Related Concept Videos
Bones of the Lower Limb: Femur and Patella
The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the neck...
Bones of the Lower Limb: Tibia and Fibula
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...
Functional Classification of Joints
Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An immobile...
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An immobile...
Knee Joint
The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris group...
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris group...
Ankle Joint
The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
Development of the Limb Synovial Joints
Joints form during embryonic development in conjunction with the formation and growth of the associated bones. The embryonic tissue that gives rise to all bones, cartilage, and connective tissues of the body is called mesenchyme.
The mesenchymal stem cells differentiate into chondrocytes that form the hyaline cartilage, and later the cartilaginous model of the bone. This model further transforms into a bone. This process is known as endochondral ossification.
During development, the limbs...
The mesenchymal stem cells differentiate into chondrocytes that form the hyaline cartilage, and later the cartilaginous model of the bone. This model further transforms into a bone. This process is known as endochondral ossification.
During development, the limbs...

