Why does my new knee joint stiffen up?

Most people notice that whilst they are moving around they feel quite mobile. After sitting down the knee feels stiff when they stand and they need to take 3 to 4 steps before it loosens up. This is because those healing tissues are still swollen and are slower to respond than normal tissue.

This information is an extract from ‘A patient’s guide to total knee replacement’, a document created to enhance our patients' recovery after a knee replacement. The complete document is available to download here.