KINESIOL 1Y03 Lecture 26: Lecture 26 - Joints - Classification - notes for online lecture.pdf
13 Nov 2014
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Articulations or joints: 3 major types of joints (structural), fibrous, cartilaginous, synovial, also classified based on motion (function), synarthrosis (nonmoveable, amphiarthrosis (slightly moveable, diarthrosis (freely moveable) Fibrous joints: bones united by fibrous connective tissue, no joint cavity, no movement. 3 type of fibrous joints: sutures, dense regular collagenous. Head of radius: bones further apart than in a suture, joined by ligaments, some movement. Fibrous joints: gomphoses, peg and socket, bundles of regular collagenous, joints between the teeth and sockets. Cartilaginous joints: bones united by hyaline or fibrocartilage. 2 type of joints: synchondrosis, joined by hyaline cartilage, no movement. Cartilaginous joints: symphysis, bones united by fibrocartilage, somewhat flexible. Synovial joints: contain synovial fluid hyaluronic acid, allow a great degree of motion. Types of synovial joints: classified according to shape of the articular surface: plane, saddle, hinge, pivot, ball and socket, ellipsoid, movements of synovial joints, monoaxial (uniaxial, biaxial, multiaxial.
