The document is a chapter from the third edition of the textbook "Gerontological Nursing" which discusses the musculoskeletal system in older adults. It covers normal changes to the musculoskeletal system with aging, common musculoskeletal problems in older adults like osteoporosis and arthritis, risk factors, and nursing management of these conditions. The chapter also addresses falls, which are a major health issue for older adults, and hip fractures.