Measurement of tibial torsion and thigh-foot angle using goniometry and computed tomography

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Abstract

Three therapists measured tibiofibular torsion and thigh-foot angle (TFA) goniometrically in 17 normal subjects, aged three to 24 years. Tibiofibular torsion was also measured using computed tomography (CT). Differences between testers for the goniometric measures were analyzed using a non-parametric analysis of variance. Wilcoxon's rank sum test was used to determine differences between goniometric and CT measures for tibiofibular torsion. No significant difference for goniometric measures was found between testers for tibiofibular torsion or TFA. A significant difference averaging 5° between goniometric and CT torsion measures was found between testers. Although a significant difference was found between the two measurement methods, the degree of difference may not represent a significant clinical difference, as a range at 5° is commonly reported as the margin of error for goniometric measurements.

Original languageEnglish (US)
Pages (from-to)208-212
Number of pages5
JournalClinical Orthopaedics and Related Research
Issue number272
StatePublished - Dec 1 1991

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Thigh
Foot
Tomography
Nonparametric Statistics
Analysis of Variance

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

Cite this

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title = "Measurement of tibial torsion and thigh-foot angle using goniometry and computed tomography",
abstract = "Three therapists measured tibiofibular torsion and thigh-foot angle (TFA) goniometrically in 17 normal subjects, aged three to 24 years. Tibiofibular torsion was also measured using computed tomography (CT). Differences between testers for the goniometric measures were analyzed using a non-parametric analysis of variance. Wilcoxon's rank sum test was used to determine differences between goniometric and CT measures for tibiofibular torsion. No significant difference for goniometric measures was found between testers for tibiofibular torsion or TFA. A significant difference averaging 5° between goniometric and CT torsion measures was found between testers. Although a significant difference was found between the two measurement methods, the degree of difference may not represent a significant clinical difference, as a range at 5° is commonly reported as the margin of error for goniometric measurements.",
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