| | Conditions & Treatments | Arthritis Arthritis that deteriorate your bones what type artritis is that? Osteoarthritis is a degenerative joint disease that occurs when the protective cartilage that cushions the ends of your bones wears down over time. Arthritis - Related Articles Physical Therapy for Lumbar Facet Arthritis The Types of Joints Found in the Knees & Elbows What is more dangerous synovitis of the knee joint or arthritis joint? Feline Arthritis Symptoms Help for Severe Arthritis Home Exercises for Osteoarthritis of the Knee What Herbs Are Harmful for Arthritis?