LABORATORY Articu lations The study of the joints between bones is called arthrology' It is important not only as the point of interplay between the skeietal system "ttd the muscular system but also due to the significant trauma or disease that can occur in joints. ]oints themselves are known as articula' tions. Oiseases such as arthritis affect millions of people worldwide. Artificial replacement of some joints, such as the hip and knee, is common if the joints cause pain or lack mobility. In this exercise you study the structure and function of various types of joints in the body, Joints are classified according toihelr physical composition' As you study the joints inihe lab, use-the joints in your body as reference and mimic the action of a specific articulation' These top-ics are covered in the Saladin text in chapter 9, "Joints"' 6e.lecnvEs At the end of this exercise you should be able to 1, distinguish among fibrous, cartilaginous, and syno-
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