"level I: proximal femur distally to the lower extent of the lesser trochanter"
"level II: 10 cm of femur distal to level I"
"level III: femur distal to level II"
"type I: fractures proximal to the intertrochanteric line; usually occur during dislocation of the hip"
"type II: vertical or spiral fractures that do not extend past lower extent of the lesser trochanter"
"type III: vertical or spiral fractures that extend past lower extent of lesser trochanter, but not beyond level II; usually at the junction of middle and distal thirds of the femoral stem"
"type IV: fractures that traverse femoral stem in level III or lie within that area"
"type IV-A: spiral fractures around the tip of the stem"
"type IV-B: simple transverse or short oblique fractures"
"type V: severely comminuted fractures around the stem in level III"
"type VI: fractures distal to the tip of the stem in level III"
"type I: fractures proximal to the intertrochanteric line; usually occur during dislocation of the hip"
"type III: vertical or spiral fractures that extend past lower extent of lesser trochanter, but not beyond level II; usually at the junction of middle and distal thirds of the femoral stem"