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  • Q&A with Australian Health Practitioners

    Knees keeps buckling and is very painful. What could it be?

    Recently I was training and the court was wet and slippery and I jumped to catch the ball and landed on my right leg on a line (which were extra slippery) and my foot slipped and I felt a pop at the back of my knee. It hurt for maybe 10 minutes but I could continue training and it went away. 4 or so hours later it started to hurt a bit at the front under the patella. The next day I woke up and it was very painful, hurts to walk on and often buckles which is painful too. When i am sitting on a chair I can't lift the lower half of my leg upwards at all without pain and can only go about halfway with very bad pain. When I stand up I can't put weight on that leg and hurts if i bend or straighten it too quickly. What could I have done?
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  • 2


    Andrew Clark


    Principal Physiotherapist at Clinical Physiotherapy, St Ives. Clinical, Musculoskeletal Physiotherapist B.Sp.Ex.Sc.,M.Physiotherapy.Cert.Spinal.Man.Tpy.APAM View Profile

    There are a few structures you could have potentially damaged. There is, however, a high clinical suspicion of an Anterior Cruciate Ligament (ACL) rupture because of the "pop" you felt and also the feeling that it buckles under you. You would need an MRI to assess this. You can arrange this through your local GP. Hope that helps. 

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