Crepitus: You could possibly discover a grinding or crackling sensation that can occur when moving the knee, because of the roughened bone surfaces rubbing from each other. Crepitus may also occur with movement pain. Meniscus tear – This refers to your tear while in the C-formed cartilage from the joint https://www.theorthopaedicandpainpractice.com/what-are-cartilage-lesions/