Knee A to Z

A cadaver is a dead body - this term is generally used for bodies that have been donated to medicine or science.

CAIS is an abbreviation for 'cartilage autograft implantation system'.

A calf stretch is a rehabilitation exercise to improve knee extension.

Callus is the bridge of new bone that heals the bony ends of a fracture (break).

Callus distraction is the method of elongating a limb, by stretching it at the site of a deliberate bone break and distracting the callus (bone bridge).

The capsule of the knee is a waterproof bladder which surrounds and protects the internal structures of the joint. Page updated March 2024 by Dr Sheila Strover (Clinical Editor)

Capsulotomy of the knee is a surgical procedure to release tightness of the capsule. Page updated August 2023 by Dr Sheila Strover (Clinical Editor)

Carioca exercise is a rehabilitation exercise before return to sport, for example after cruciate ligament reconstruction. Page updated March 2024 by Dr Sheila Strover (Clinical Editor)

Carpet fitter's knee is an overuse condition in people who fit carpets for a living, where several knee problems can occur from spending so much time on their knees and using a 'knee kicker' to stretch the carpet. Page updated May 2024 by Dr Sheila Strover (Clinical Editor)

'Carticel' is the trade name given to the cell culture grown from a patient's joint cartilage, and then returned to the patient to replace damaged cartilage.