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Ankle Joint

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...

Knee Joint

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...

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Related Experiment Video

Updated: Jun 15, 2026

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

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

Published on: January 24, 2018

A cemented surface replacement prosthesis in the basal thumb joint.

J van Rijn¹, T Gosens

¹Department of Orthopedics, Elisabeth Hospital, The Netherlands.

The Journal of Hand Surgery

|February 27, 2010

Summary

This summary is machine-generated.

The Avanta SR TMC basal thumb joint prosthesis improved hand function and reduced pain, but did not significantly enhance range of motion or strength. No implant loosening was detected in this study.

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Last Updated: Jun 15, 2026

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

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

Published on: January 24, 2018

Area of Science:

Orthopedic surgery
Hand surgery
Biomaterials and implants

Background:

Basal thumb joint arthritis significantly impacts hand function and quality of life.
Surgical intervention, including prosthesis implantation, is a common treatment option.
Evaluating the efficacy of specific prostheses is crucial for optimizing patient outcomes.

Purpose of the Study:

To assess the clinical outcomes of the cemented Avanta SR TMC prosthesis for basal thumb joint arthritis.
To evaluate improvements in range of motion, strength, pain, and overall function.
To determine the incidence of implant loosening and other complications.

Main Methods:

A prospective study involving 13 patients (15 prostheses) implanted with the Avanta SR TMC prosthesis.
Follow-up averaged 36 months, with assessments including Kapandji-score, hand dynamometry, pinch meter, and validated questionnaires (SODA, MHQ).
Radiographic evaluation was performed pre- and post-operatively to assess for loosening.

Main Results:

Significant improvements were observed in pain during activities and overall hand function (using SODA and MHQ).
No significant improvements were noted in range of motion or strength.
Radiographic review showed no signs of implant loosening; one case of prosthesis failure and one nerve injury were reported.

Conclusions:

The Avanta SR TMC prosthesis demonstrates efficacy in improving hand function and reducing pain during activity for basal thumb joint arthritis.
It does not significantly enhance range of motion or strength of the operated hand.
The prosthesis showed no evidence of loosening, suggesting good implant stability.