Essential knee terminology
Click one of the letters above to go to the page of all terms beginning with that letter.
Joint search for term

A joint is a junction between two bones.

Joint cartilage search for term

Joint cartilage is the shiny white gristle covering the contact surfaces of the bones in articulating (moving) joints.

JRA search for term

Abbreviation of 'juvenile rheumatoid arthritis'.

Jumper's knee search for term

An overuse condition, also called patellar tendinitis or tendinosis, where the area of attachment of the patellar tendon to the patella becomes painful.

Juvenile rheumatoid arthritis search for term

Juvenile rheumatoid arthritis is arthritis affecting a child (under 16) in several joints where evidence exists that the condition is autoimmune - ie the child's own immune system is attacking its joints.

Juvenile traction osteochondritis search for term

An overuse syndrome where jumping activities in a young person causes excessive pulling of the patellar tendon on the tibial tubercle. Same as Osgood Schlatter's disorder.