
National Institute of Arthritis and Musculoskeletal and Skin Diseases
Muscle and Bone Diseases The musculoskeletal system consists of the body's bones, muscles, tendons, ligaments, joints, and cartilage.
Back Pain Symptoms, Types, & Causes | NIAMS
Back pain is a common medical problem. Many factors may cause different types of back pain. Learn the parts of the back & what may be causing your back pain.
Back Pain: Diagnosis, Treatment, and Steps to Take
Diagnosis of Back Pain Doctors use various tools to help diagnose the possible cause for your back pain, which helps determine the best treatment plan. Medical and Family History Your …
Reactive Arthritis Symptoms, Causes, & Risk Factors | NIAMS
Reactive arthritis is a form of spondyloarthritis, a group of arthritis conditions that typically involve the sacroiliac joints in the lower back, and entheses (places where tendons or ligaments attach …
Spinal Stenosis Symptoms, Causes, & Risk Factors | NIAMS
Spinal stenosis is the narrowing of the spine, which puts pressure on the spinal cord & nerves & can cause pain. Discover the symptoms, causes, & risk factors.
Living With Back Pain: Health Information Basics for You and Your ...
Jul 30, 2025 · Back pain is one of the most common medical problems in the United States. Changes to any part of your back—such as ones that may occur with aging, getting hurt, or …
Ankylosing Spondylitis Symptoms & Risk Factors | NIAMS
What is ankylosing spondylitis? It is arthritis that affects the spine, usually producing redness, heat, swelling, and pain in the spine where it joins the pelvis.
Spinal Stenosis: Diagnosis, Treatment, and Steps to Take
Treatment of Spinal Stenosis Doctors treat spinal stenosis with different options such as nonsurgical treatments, medications, and surgical treatments. Nonsurgical Treatments …
Polymyalgia Rheumatica and Giant Cell Arteritis | NIAMS
Polymyalgia rheumatica and giant cell arteritis are closely linked inflammatory conditions. PMR causes muscle pain and stiffness in the shoulders, upper arms, hip area, and neck. GCA …
Osteoporosis Causes, Risk Factors, & Symptoms | NIAMS
Osteoporosis is a bone disease that develops when bone mineral density and bone mass decreases, or when the structure and strength of bone changes. This can lead to a decrease …