Oedema is excess fluid in the soft tissues.

Besides the swollen appearance of the tissues, the oedema can be confirmed by pressing an examining finger into the tissues for a count of ten, and then removing it. In oedema this will leave a dent in the tissues.


Enclosing the articulating part of the knee joint is a water-tight capsule made of a strong fibrous material lined on the inside with a thin layer of secretory cells.

Assessing the severely swollen knee after an injury

On the sports field, the practitioner may have to make a quick assessment of the severity of a knee injury. This paper discusses how one might evaluate the injured knee that has suddenly filled up with blood.