Bohler’s angle (Normal range 20-40)
Reference)
http://ksmr.radiology.or.kr/case/index.kin?gubun=5&page=1&limit=10&idx=974
https://radiopaedia.org/articles/anterior-calcaneal-process-fracture-1
Avulsion fracture of anterior process of calcaneus due to calcaneoucuboid (bifurcate) ligament