Examples of fixed joints include the joints between the bones in the skull and the joint where the radius and ulna bones meet in the lower arm. Fixed joints, also known as fibrous joints, are places where two bones come together in the body but are unable to move. This ...
A joint's function is to bear weight, perform work and exhibit a particular range of motion during movement where two or more bones come together for the purpose of movement. A joint moves when the muscles crossing it contract.
Joints make a popping noise because of gases escaping, rough surfaces and movement, according to the Library of Congress Science Reference Services. Joints can also make cracking, snapping or grinding sounds.
Joint pain can be caused by several conditions including osteoarthritis, rheumatoid arthritis, bursitis, gout, strains and sprains. Pain can present as a mild irritation or be seriously debilitating, says WebMD.
A number of conditions can cause joint pain, including injuries as well as various diseases, according to WebMD. HealthLine.com states that common pathologies causing joint pain include various forms of arthritis, colds, flu and chronic fatigue syndrome.
InnerBody describes the knee joint as a classic example of a synovial joint. The junction of the femur and tibia bones are enclosed in a joint capsule, lined with synovial tissue, encasing synovial fluid and two shock absorbing cartilage pads. The joint capsule is prote...
Any supplement that contains glucosamine and chondroitin will benefit joints, according to WebMD. Glucosamine and chondroitin occur naturally in joint cartilage and both are believed to slow natural deterioration and decrease inflammation.