The Postal Service controls all copyright in the Test 473 Orientation Guide for Major Entry-Level Jobs. We provide this test orientation guide to help you apply for certain Postal Service jobs.
Osteoarthritis Overview. Osteoarthritis (OA) is not a single disease but rather the end result of a variety of disorders leading to the structural or functional failure of one or more of your joints. Osteoarthritis is the most common cause of chronic joint pain, affecting over 25 million Americans. Osteoarthritis involves the entire joint, including the nearby muscles, underlying bone, ligaments, joint lining (synovium), and the joint cover (capsule).
Osteoarthritis health centre. Learn about the symptoms of osteoarthritis, why not all symptoms are the same, and how symptoms of different types of arthritis may be confused with osteoarthritis. Arthritis symptoms: The basics.