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Abbreviation of 'Knee and Osteoarthritis Outcome Score.'

A 'quality of life' scoring system for assessing outcomes after traumatic knee injury. Using s simple scoring method, patients are assessed on -



  • stiffness on wakening
  • stiffness later in the day


  • frequency
  • amount of pain in the last week -
  • on twisting/pivoting
  • on straightening knee fully
  • on bending knee fully
  • walking on a flat surface
  • going up or down hills
  • at night while in bed
  • sitting or lying
  • standing upright

Functions of daily living

Degree of difficulty -

  • descending stairs
  • ascending stairs
  • rising from sitting
  • standing
  • bending to floor/pick up an object
  • walking on flat surface
  • getting in and out of a car
  • going shopping
  • putting on socks/stockings
  • rising from bed
  • taking off socks/stockings
  • lying in bed (turning over/maintaining knee position)
  • getting in and out of the bath
  • sitting
  • getting on and off the toilet
  • heavy domestic duties
  • light domestic duties

Function, sport and recreational activities

Assesses degree of difficulty in the last week of -

  • squatting
  • running
  • jumping
  • twisting/pivoting
  • kneeling

Quality of life

  • awareness of knee problem
  • lifestyle modification because of knee problem
  • lack of confidence in knee
  • general degree of difficulty


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