The phrase "knee joint" refers to the area where your thigh bone (femur) connects with your shin bone (tibia). It is a hinge-like connection that allows your leg to bend and straighten. Full definition
The results showed a significant improvement in knee joint comfort, and again subjects with the greatest joint deterioration benefited most. (primallyinspired.com)
The second objective was to determine if foam rolling improves knee joint ROM. (journals.lww.com)
For people with knee joint injuries, the most promising source of new cartilage might be right up their noses. (sciencemag.org)