Fig. 4From: Low femoral antetorsion as a risk factor for bony impingement after bipolar hemiarthroplastyROM of each group. L indicates the low-antetorsion group, N indicates the normal-antetorsion group, and H indicates the high-antetorsion group. a The ROM of Flex. b The ROM of Int-R. c The ROM of Ext-RBack to article page