Organic Ageing: As we age, the knee joint naturally loses a number of its resilience, rendering it extra at risk of strain and day to day wear. I have pain behind my knee, could this be resulting from arthritis? Certainly, pain behind the knee could be because of arthritis. Arthritis, https://www.theorthopaedicandpainpractice.com/understanding-knee-pain-and-how-to-manage-it-in-singapore/