Stretch laceration is seen in
Blunt tangential impact
Blunt perpendicular impact
Horizontal crushing
Impact by sharp objects with heavy base
Stretch laceration These lacerations occur from over stretching of the skin and soft tissues due to heavy forceful impact exercising a localised pressure. Stretching of tissues can occur in run over by a motor vehicle. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 121
Mechanical injuries