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Acquired flatfoot secondary to tibialis posterior dysfunction: biomechanical aspects
The Journal of Foot Surgery
|January 1, 1991
Summary
Tibialis posterior dysfunction involves abnormal biomechanics and tendon interactions. Understanding its pathomechanics and anatomy is crucial for accurate diagnosis and effective treatment staging.
Area of Science:
- Orthopedics
- Biomechanics
- Anatomy
Background:
- The tibialis posterior muscle and tendon unit is vital for normal foot and ankle function.
- Dysfunction of this unit can lead to significant biomechanical alterations and pain.
Purpose of the Study:
- To present the biomechanical implications of normal tibialis posterior function.
- To detail the pathomechanics and diagnosis of tibialis posterior dysfunction.
- To introduce new anatomic considerations of the talonavicular joint's glenoidal ligaments.
Main Methods:
- Review of biomechanical principles related to the tibialis posterior.
- Discussion of the interaction between the tibialis posterior tendon and the rearfoot.
- Presentation of novel anatomic findings regarding the glenoidal ligaments.
Main Results:
- The biomechanics of a healthy tibialis posterior unit were outlined.
- Pathomechanics, diagnosis, and treatment staging for tibialis posterior dysfunction were considered.
- New anatomic details of the talonavicular joint's glenoidal ligaments were described.
Conclusions:
- Understanding tibialis posterior biomechanics and dysfunction is essential for diagnosis.
- Anatomic knowledge, including the glenoidal ligaments, aids in comprehending rearfoot interactions.
- A staged approach to tibialis posterior dysfunction is necessary for appropriate treatment planning.