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Wall slides
Wall slides are rehabilitation exercises to improve knee flexion.
Water on the knee
Water on the knee refers to excess fluid inside the knee joint cavity (effusion).
Wiberg classification
The Wiberg Classification identifies patellar shape, and is used in documentation.
Windswept knees
Windswept knees is the term given to the combination of a bow leg on one side with a knock knee on the other.
Wobble board
A wobble board is an exercise board with a rounded base - a useful item of rehab equipment.
WOMAC
The WOMAC is a scoring system for functional disability from osteoarthritis.