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Related Concept Videos

Ankle Joint01:10

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...
Functional Classification of Joints01:09

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...

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Related Experiment Video

Updated: May 25, 2026

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
09:01

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

Published on: January 24, 2018

First metatarsophalangeal joint arthrodesis.

Robert M Rajczy1, Patrick R McDonald, Howard S Shapiro

  • 1Hahnemann University Hospital, Philadelphia, PA, USA.

Clinics in Podiatric Medicine and Surgery
|January 17, 2012
PubMed
Summary

First metatarsophalangeal joint (MTPJ) arthrodesis treats hallux rigidus and severe deformities. This surgical fusion stabilizes the joint, improving gait and foot function for various conditions.

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Published on: January 23, 2018

Area of Science:

  • Orthopedic Surgery
  • Podiatric Medicine
  • Foot and Ankle Reconstruction

Background:

  • First metatarsophalangeal joint (MTPJ) arthrodesis is a common procedure for debilitating foot conditions.
  • Hallux rigidus, characterized by pain and stiffness, is a primary indication for MTPJ arthrodesis.
  • Other indications include rheumatoid arthritis, failed implants, fractures, avascular necrosis, and infections.

Purpose of the Study:

  • To outline the indications and essential technical goals for successful first MTPJ arthrodesis.
  • To emphasize the importance of achieving stable fixation and proper joint positioning.
  • To highlight the role of MTPJ arthrodesis in restoring foot function and patient mobility.

Main Methods:

  • Review of current literature and surgical principles for first MTPJ arthrodesis.
  • Analysis of key biomechanical and functional outcomes associated with the procedure.
  • Discussion of essential surgical considerations for optimal patient results.

Main Results:

  • First MTPJ arthrodesis effectively addresses pain and deformity in hallux rigidus.
  • The procedure serves as a valuable salvage option for complex foot pathologies.
  • Achieving stable fixation and appropriate joint alignment is crucial for functional recovery.

Conclusions:

  • First MTPJ arthrodesis is a reliable treatment for end-stage hallux rigidus and other severe MTPJ conditions.
  • Successful outcomes depend on achieving stable fixation, optimal joint positioning, and maintaining foot length.
  • This surgical fusion provides a stable plantigrade foot platform, enhancing gait and quality of life.