Angles in Orthopedics

·         Bohler's angle also called as the Tuber joint angle, measures the angular relationship between talus and calcaneum. This angle is formed by two lines. first line is drawn from the posteriosuperior margin of the calcaneal tuberosity through the tip of the posterior facet of the subtalar joint. second line is drawn from the tip of the posterior facet through the superior margin of the anterior process of the calcaneum.

-Normally this angle ranges between 20 and 40 degrees.

-Flattening of this angle <25  is a classic x-ray sign of depressed fracture of calcaneum. 

·         Gissane’s Angle: >100 , intraarticular # calcaneum

·         CE Angle of Wrisberg/ Acetabular Angle: DDH, to know dysplasia of acetabulam

·         CObb’s Angle: sCOliosis

·         kiTE’s Angle: cTEv

·         Meary’s Angle: pes cavus

·         Hilgenreiner’s Epiphyseal Angle: Congenital Coxa Vera

·         Baumann’s Angle: Supracondylar # humerus

·         Carrying Angle: male 11 & female 14

·         Q (quadriceps) angle: ASIS to mid-patella to tibia tubercle, Normal: 13° male, 18° female; Increased angle: PF Syndrome, subluxation

·         Kotharis Angle: Abduction deformity of Hip