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Related Concept Videos

Knee Joint01:23

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...
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...

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Related Experiment Video

Updated: May 31, 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

Valgus osteotomy for hinge abduction.

Antoine de Gheldere1, Deborah M Eastwood

  • 1Department of Orthopaedics, The Great North Children's Hospital, Newcastle upon Tyne, UK.

The Orthopedic Clinics of North America
|July 12, 2011
PubMed
Summary

Valgus osteotomy corrects hip joint abnormalities like hinge abduction, restoring pain-free movement and improving gait. This surgical technique also promotes normal acetabular development in younger patients.

Area of Science:

  • Orthopedic surgery
  • Biomechanical analysis
  • Pediatric orthopedics

Background:

  • Abnormal hip joint mechanics, specifically hinge abduction, result from enlarged/deformed femoral heads.
  • This condition leads to pain and restricted movement, altering normal hip function.

Purpose of the Study:

  • To evaluate the efficacy of valgus osteotomy in correcting hip joint abnormalities.
  • To assess the impact of the procedure on pain, range of motion, and gait.
  • To investigate the effect on acetabular development in immature patients.

Main Methods:

  • Valgus osteotomy to remove the deformed anterolateral femoral head.
  • Assessment of hip joint mechanics, pain levels, and range of motion pre- and post-surgery.
  • Gait analysis to evaluate functional improvement.

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Published on: January 24, 2018

  • Monitoring of acetabular ossification in immature patients.

    • Main Results:

    • Valgus osteotomy successfully removed the deformed femoral head portion.
    • The procedure resulted in pain-free, congruent hip movement.
    • Improved lever arm function and leg length led to enhanced gait patterns.
    • Hinge abduction was abolished, allowing for more normal acetabular growth in immature patients.

    Conclusions:

    • Valgus osteotomy is an effective treatment for hip joint deformities causing hinge abduction.
    • The surgery restores function, alleviates pain, and improves gait.
    • It positively influences acetabular development in pediatric cases.