Crunchy noise from knee

Been a club rider for 25 years. Now 43 yrs of age, with sedentary office job. A few rides over the past winter, but not consistent rides. Bike fit by Adrian Timmis last June (can't praise this highly enough). Doing regular, easy base training rides, currently upto a couple of hours.
Have noticed a crunching noise (suppose some may call it grinding), from dominant right knee, when out riding. Sounds to be coming from patella area. No pain/swelling from it during or after riding. Is only audible when pushing down from the top of the downstroke. Can also provoke the sound if get up from a crouching position.
Not done anything exceptional in recent times to injure the knee, (unless you count ripping out bathroom, and the subsequent plastering, tiling etc).
Not causing any problem, but I have had no probs before, and I am wondering if this is something I need to get checked, as it may be early signs of something sinister.
Any ideas? Many thanks
Have noticed a crunching noise (suppose some may call it grinding), from dominant right knee, when out riding. Sounds to be coming from patella area. No pain/swelling from it during or after riding. Is only audible when pushing down from the top of the downstroke. Can also provoke the sound if get up from a crouching position.
Not done anything exceptional in recent times to injure the knee, (unless you count ripping out bathroom, and the subsequent plastering, tiling etc).
Not causing any problem, but I have had no probs before, and I am wondering if this is something I need to get checked, as it may be early signs of something sinister.
Any ideas? Many thanks
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My knees, especially the left, make terrible grinding noises when standing up or climbing stairs but I had them checked by my GP and there's nothing untoward going on other than general wear-and-tear for my age.
I can avoid most issues with my knees if I avoid high impact exercises which can cause patello-femural injuries (I jogged just a few hundred yards last November and injured my left knee which affected my riding and took three months to clear), so I avoid exercise that can cause me injury whilst, thankfully, continuing cycling which strengthens the supportive tissue to the joints.
+1
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I have got an appointment with an orthopaedic specialist tomorrow though about some other pain in my knee so I'll be mentioning that!
It's really ruined my cycling, was regularly doing 100k plus rides before and was as fit as ever. Since the pain started I've eased off totally, then periods of just commuting, but it's never improved. 6 months ago also started getting the pain in the right knee, though no clikcing noises.
I've seen two physios, and a knee specialists who was no use, said there was nothing wrong on mri scan and xray. Followed stack loads of info re: exercises on the web, patella femoral sysndrome, seems to cover my symptoms but no joy. Have now stopped cycling again totally, though it feels worse than ever. I see a Sports Doctor next week so at least may find out more.
If I hadn't taken up sea kayaking I would have gone stir crazy by now, amazing how much you miss cycling.
Definitely get it checked out, just to be sure.
The grinding was usually caused by the meniscus (pad of cartilage between the knee joint) which starts to wear and causes fuzz on the surface. They have cleaned this up in my wifes knee twice now.
My wife has had the calcium deposits cleaned out of her knee joint. The benefit lasted about a month before it began to deteriorate again.
Its called getting old!
At one stage there was a GP that thought I should go for an op to "smooth the patella". Never went and never had pain... My favourite GP said : " If there's no pain, don't worry about it" So now I don't worry about it
I have tendonitus in both patella tendons and managed to snap my right one in January. Was in physio from April to June and developed an almighty creak in my knee. Pretty much as the others have described but mine sounded like an old teak chest being opened. You could hear me getting out of my chair from the other end of the room.
I pointed this out whilst doing squats in one of my physio classes and the lady held my knee whilst i demonstrated. She cringed and commented 'i hate it when they are like that'. Then she shrugged and said its nothing and to carry on.
I dont think there is much they can do with it tbh.
I guess pre-internet everyone must have just suffered in silence, you know rather than work it out for themselves what to do.