How to diagnose and treat hoffa impingement?

In this video Prof. Dr. Bellemans explains what Hoffa impingement is, and why it is so often overlooked as a cause of pain in the knee.
He also explains how to make the diagnosis, and how to treat it.
You can find my book on sport-injuries (only available in dutch) in the link down below:
www.standaardboekhandel.be/p/...
If you would like an english version let me know in the comments.
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