I had a hard impact on my right knee while playing squash, and now, one week later, the knee is noticeably swollen. The pain is located directly under the knee cap, especially when standing after sitting or laying down with the knee bent. There's a pulsing sensation under the knee cap when laying down, and the knee cap shifts slightly from left to right with an odd slipping sensation. I have full range of motion, but there's a slight grinding click when walking upstairs. What could be the issue, and what should I do?

September 13th, 2024

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