Coronal Tibial Slope of Thai Adults in Faculty of Medicine Vajira Hospital, Navamindradhiraj University


  • Songwut Thitiboonsuwan Department of Orthopaedic Surgery, Faculty of Medicine Vajira Hospital, Navamindradhriraj University
  • Surapoj Meknavin Orthopedic Center, Bumrungrad International Hospital



coronal tibial slope, knee valgus proximal angle, lower limb alignment, hip-knee-ankle standing radiograph, Thai


Objective: To determine the coronal tibial slope of Thai adults in Faculty of Medicine Vajira Hospital, Navamindradhiraj University

Methods: This study was a descriptive study. Forty-eight Thai adults, aged 18-40 years, in Faculty of Medicine, Vajira Hospital, Navamindradhiraj University were recruited. There were 24 males and 24 females. Anteroposterior hip-knee-ankle films were obtained. Coronal tibial slopes and other parameters were measured.

Results: Mean age of the participants was 25.7 +/- 3.4 years. Mean coronal tibial slope was 3.4 +/- 1.7 degrees. Mean knee valgus proximal angle was 4.7 +/- 0.6 degrees. Mean hip-knee-ankle angle was 0.4 +/- 2.5 degrees of varus. Mean mechanical axis deviation 1.0 +/- 7.9 millimeters medially to mechanical axis of lower extremity. Mean ratio of femoral length to height was 0.26 +/- 0.01.

Conclusions: The coronal tibial slope in Thai is approximately as same as the literature but the knee valgus proximal angle is different which is about 5 degrees. An orthopaedic surgeon may consider his surgical technique of total knee arthroplasty by cutting the distal femur at 5 degrees of valgus in extension with classic alignment or 8 degrees of valgus in extension with anatomical alignment


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How to Cite

Thitiboonsuwan, S., & Meknavin, S. (2020). Coronal Tibial Slope of Thai Adults in Faculty of Medicine Vajira Hospital, Navamindradhiraj University. Vajira Medical Journal : Journal of Urban Medicine, 64(5), 325–332.



Original Articles