Dislocated kneecap: The knee unclothes its regular position in front of the knee joint

https://blogfreely.net/throccnwgg/h1-b-what-to-do-if-youre-wounded-by-an-industrial-lorry-assistance-from-a

Disjointed kneecap: The knee slips out of its normal placement in front of the knee joint, triggering discomfort and instability