J Korean Foot Ankle Soc.  2004 Dec;8(2):191-194.

Difference of the Sagittal Configuration of the Ankle Joint between the Lateral and the Medial Segment

• An TS
• Kim HJ

Abstract

PURPOSE: Anatomic configuration of the ankle joint is useful information during various ankle procedures. This study was prospectively designed to investigate the sagittal inclination pattern of the ankle joint.
MATERIALS AND METHODS
Lateral standing ankle radiographs from one-hundred people (age: 17~68, M:F=45:55) and magnetic resonance (MR) sagittal ankle images from twenty-four people (age: 16~65, M:F=14:10) were studied. Post-traumatic, arthritic, or grossly deformed ankles at any reason were excluded. The posterior inclination angle (PIA) of the distal tibia was measured and compared between the lateral and the medial segment.
RESULTS
On plain radiographic data, the average PIA of the distal tibia was 6.14 degrees +/-3.56 degrees (range 0 degree to 14 degrees) in the lateral segment and 13.16 degrees +/- 3.05 degrees (range 6 degrees to 22 degrees) in the medial segment. On MR imaging data, the average PIA of the distal tibia was 5.08 degrees +/- 4.26 degrees (range 1 degree to 10 degrees) in the lateral segment and 10.16 degrees +/- 4.87 degrees(range 5 degrees to 17 degrees) in the medial segment. The PIA between two segments was significantly different.
CONCLUSION
The sagittal configuration of the medial area ankle joint and the lateral area ankle joint has difference in the degree of posterior inclination and shape of curvature.

Keyword

Ankle; Lateral and medial segment; Difference of sagittal configuration

MeSH Terms

Ankle Joint*
Ankle*
Magnetic Resonance Imaging
Prospective Studies
Tibia