Knee A to Z

Reflex sympathetic dystrophy (RSD) is a disorder characterised by distressing pain, out of proportion to the condition giving rise to it. Its modern name is Complex regional pain syndrome (CRPS).

Regenerative medicine involves non-surgical tissue augmentation via injection of cells and growth factors.

Regenerative orthopaedics is the discipline within orthopaedics of encouraging bones and supporting tissues to regenerate rather than using foreign materials to replace them.

Regenerative surgery includes those surgical interventions that help tissues to repair via biological interventions such as stem cell injections.

Rehabilitation after total knee replacement involves restoring strength and range of motion in a limb that has been compromised and poorly mobile for some time, usually in a patient in the older age group.

Reiter's syndrome is a reactive arthritis that triggers in association with infection of the eye (conjunctivitis) and urinary tract (urethritis).

Rejection is the term is used in relation to transplant surgery when the body attacks and damages the transplant.

Remodelling is the process where a bone or tissue re-shapes itself after a fracture, transplant or other insult.

Resisted extensions are knee rehabilitation exercises to improve quads strength.

Resolvins are a group of molecules that facilitate chronically inflamed tissues to eventually return to normal.