There are multiple definitions:

1. knee outcome survey(English)

   • ADLS, AKPS, ICOAP, IKDC, KOOS, LKS, OAKHQOL, OAQoL, OKS, PFPSS, WOMAC
   • Knee, Quality and outcomes
   • https://doi.org…lthcare10091631

2. Karlström/Olerud Score(English)

   • used to evaluate the progression of floating knee, i.e. a flail knee joint resulting from fractures of the shafts or adjacent metaphyses of the femur and the ipsilateral tibia
   • ACL, MCRSQ, RUS
   • Knee, Quality and outcomes, Scoring systems/scales
   • https://doi.org…ury.2019.03.016