A joint means two bones are connected to each other. Arthralgia is also another name of joint pain. As it comes from the Greek word artho, which means joint and algos means pain. Joint pain is such a disorder that affects the health of the bone joints in the body. There are certain causes of joint pain that includes straining of the joint, inflammation of the joint, disorder in the nervous system, infection such as viral, inflammation of the tendons supporting the joint, injury to the joint, bursitis, arthritis and etc.