knee problems

Hello, For decades, I have sat in seiza. I have been able to get into seiza rather smoothly. I recently got back into practicing Kenjutsu. A few months in, I started developing a pain near the connection where the patella tendon connects to the shin bone. Basically, the bony part of your knee...

Hi everyone!, I wanna post a question, about a new martial art or general advice on how to proceed: I been practicing CLF KF for a number of years, unfortunately some months back, i gain a lot of weight and notice that i was taking a lot of punishing in the knees probably because of low...