Type Description I less than 2mm displacement II A 2-part transverse fracture B 2-part spiral fracture with lesser trochanter attached to the proximal fragment C 2-part spiral fracture with lesser trochanter attached to the distal fragment III A 3-part spiral fracture with lesser trochanter as separate fragment B 3-part spiral fracture with butterfly fragment IV Comminuted fracture with 4 or more fragments V Fracture with proximal extension into the greater trochanter
Seinsheimer classification
Wassel classification
ILO Classification
Schenck classification
Guedel's classification
Pipkin classification
Nissen-Lie classification
Spaulding classification