Hammer Toes Wheeless

Description: Wheeless' Textbook of Orthopaedics
term describes abnormal flexion posture of PIP joint of one of lesser 4 toes;
- the hammer toe deformity is similar to the curly toe deformity but is not malrotated;
- flexion deformity of PIP may be fixed or supple;
- w/ severe hammer toe deformity, MP joint may go into hyperextension (distal joint usually stays supple);