What's going on in there? https://www.youtube.com/playlist?list=PLdFi-NEDU0HcJLwxK7Jn4kbvx-BUEDwPb What's a good/ your favorite make and model trading chair? Where did you get it? Got pics, links? https://elitetrader.com/et/threads/trading-chairs.226092/
Knees are like girlfriends that cook and clean...you don't realize how much you need them until they are gone...
https://www.marksdailyapple.com/how-to-feed-train-and-care-for-cartilage/ https://experiencelife.com/article/feed-your-joints/
Summertime Ready? Get them Joints Shaped Up to Do what you Do. https://www.elitetrader.com/et/threads/trading-chairs.226092/page-16#post-5001025
If you are over 40, and you live in a hilly area, I suggest to walk/jog downhill backward. Your knees will thank you later. I have been jogging uphill for a year now and absolutely no problems because I come down backwards. Hey, even the science agrees with me: https://www.runnersworld.com/training/a20798335/the-many-bennies-of-running-backward/