<prompt> Bohlers angle is measured in the fractures involving which of the tarsel bones?CalcaneumTalusNavicularCuboid  <response>: Bohlers tuber joint angle and Crucial angle of Gissane are measured for intra aicular fractures of calcaneum. Ref: Apleys 8th Edition, Page 750, 751; Rockwood and Green 5th Edition, Page 2135; John Ebnezer 2nd Edition, Page 146. 