There are plenty of conditions that can lead to joint pain. These include a sprain, strain, and other injuries, but also issues such as gout, bursitis, rheumatoid arthritis, osteoarthritis, and more. It is a common condition, with around 33% of the adult population stating they have experienced some form of joint pain in the past month alone. The most commonly affected joint is the knee, but it can happen in any of your joints. The second and third most commonly affected joints are the shoulder and the hip, respectively.