From: Inter- and intraobserver reliability of the MTM-classification for proximal humeral fractures: A prospective study
Main fracture types
A
B
C
D
Main Parts
2-part
M
G
L
GB
LB
MB
SC
DM
DG
DL
3-part
MG
ML
GBL
LBG
MBG
MBL
CG
CL
4-part
MT
MBT
CT