Fig. 1From: Risk factors for implant failure in reverse oblique and transverse intertrochanteric fractures treated with proximal femoral nail antirotation (PFNA)The status of posteromedial support. a A distinct absence of posteromedial support with no contact between the proximal and distal fragments (black arrow). b An avulsion fracture of the lesser trochanter with contact between the proximal and distal fragments (white arrow). c An impacted fracture of the proximal and distal fragments (white dotted arrow)Back to article page