Quote Originally Posted by Teddy1 View Post
Any thoughts on further investigation or treatment? Should I give up kitesurfing?
Definitely NOT! A bit of OA in the knees is probably there in most people from 40 upwards. This is a normal finding.

Think of your issue as a knee joint problem with eccentric loading of the joint when going down hills. This is a typical presentation and matches the x-ray findings or a person who is overloading their knee and has been doing so for a long, long time. Trouble is that finally is became painful so now you have taken notice.

Kite surfing is fairly low impact compared to say jogging so this is not a sport to give up. What you need to do is have someone take a look at your mechanics and give you some specific exercises to work on what's missing. This is very important to arrest the degeneration that it is currently causing. Nutritional supplements are perhaps useful and some Aussie studies specific to OA (I think in the knee) have shown a statically significant with dosage also being important. I think they look at doubling the standard recommended does and this did have a better effect than the normal dose (around 1500mg per day for memory). Not sure of the actual study but perhaps someone else can shed some light on that.

Get in and see a dedicated sports PT in your local area. A few dollars investment now will pay year of dividend in terms of a worsening knee issue.