The foot and ankle in the human body work together to provide balance, stability, movement, and propulsion.

The arm in the human body is made up of three bones that join together to form a hinge joint called the elbow. The upper arm bone or humerus connects from the shoulder to the elbow forming the top of the hinge joint. The lower arm or forearm consists of two bones, the radius and the ulna. These bones connect…

The most common causes of chronic pain in joints are: Osteoarthritis, a common type of arthritis, happens over time when the cartilage, the protective cushion in between the bones, wears away. The joints become painful and stiff. Osteoarthritis develops slowly and usually occurs during middle age.

Physical discomfort of the shoulder, including the joint itself or the muscles, tendons and ligaments that support the joint.

Pain in or around the knee that may indicate a condition affecting the knee joint itself or the soft tissue around the knee.