Salter-Harris fracture classification (mnemonic)

Useful mnemonics for remembering the Salter-Harris classification system are:

  • SALTR
  • SMACK

Fortunately, this is also the order of prognosis (from best to worse)

Mnemonics

SALTR
  • S: slipped (type I)
  • A: above (type II)
  • L: lower (type III)
  • T: through or transverse or together (type IV)
  • R: ruined or rammed (type V)
SMACK
  • S: slipped (type I)
  • M: metaphyseal (type II)
  • A: articular-epiphyseal (type III)
  • C: complete-metaphysis and epiphysis (type IV)
  • K: krushed! (type V)
Share article

Article Information

rID: 2001
Section: Mnemonics
Synonyms or Alternate Spellings:
  • SMACK
  • SALTR
  • Salter-Harris (mnemonic)

Support Radiopaedia and see fewer ads

Cases and Figures

  • Drag
    Figure 1: Salter Harris classification
    Drag here to reorder.
  • Updating… Please wait.
    Loadinganimation

    Alert accept

    Error Unable to process the form. Check for errors and try again.

    Alert accept Thank you for updating your details.