The surgical tibiotalar angle: a radiologic study

Many studies on cadaver specimens describe the hindfoot anatomy, but few measures have been defined and quantified on radiographs. Our aim was to determine the tibiotalar angle using the tibial tuberosity as a reference point. The tibiotalar angle, using the tibial tuberosity as reference point, was...

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Bibliographic Details
Published inFoot & ankle international Vol. 26; no. 9; p. 713
Main Authors Knupp, Markus, Ledermann, Hanspeter, Magerkurth, Olaf, Hinterman, Beat
Format Journal Article
LanguageEnglish
Published United States 01.09.2005
Subjects
Adult
Age Factors
Aged
Ankle Joint - diagnostic imaging
Female
Foot - surgery
Humans
Male
Middle Aged
Prospective Studies
Radiography
Reference Values
Reproducibility of Results
Sex Factors
Talus - diagnostic imaging
Tibia - diagnostic imaging
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Summary:Many studies on cadaver specimens describe the hindfoot anatomy, but few measures have been defined and quantified on radiographs. Our aim was to determine the tibiotalar angle using the tibial tuberosity as a reference point. The tibiotalar angle, using the tibial tuberosity as reference point, was measured on anteroposterior views of 168 ankles. Bilateral radiographs were obtained in 75 patients. The tibiotalar angle was 92.4 degrees (SD = 3.1) without significant intraindividual difference on the radiographs examined bilaterally. More varus was found in women and with increased age. The tibial tuberosity is a reliable reference point for the measurement of the tibiotalar angle and is used in numerous operative procedures of the hindfoot. If the angle cannot be measured because of progressed destruction, the measurement can be obtained from the contralateral leg, as no significant intraindividual difference was found in the tibiotalar angle (p < 0.001).
ISSN:1071-1007
1944-7876
DOI:10.1177/107110070502600909