File name: Classification Of Joints Pdf
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Ball and socket joints: •In ball-and-socket joints, a ball-shaped head of one bone fits into a socket like concavity of another. •This arrangement permits free movements, including flexion, . Sprain - the ligaments in a joint are stretched or torn. Partially torn ligaments may repair themselves, but healing is slow due to lack of vascularization. Completely torn ligaments . • Plane joint • Usually small joint where articulating surfaces of articulating bones are flat or almost flat • Only gliding movement in one of the many direction is possible • e.g. intercarpal, . Ball and socket joints: •In ball-and-socket joints, a ball-shaped head of one bone fits into a socket like concavity of another. •This arrangement permits free movements, including flexion, extension, abduction, adduction, medial rotation, lateral rotation, and circumduction. •E.g. shoulder and hip joints. Structural classification of joints - based on the material binding the bones together. 1) fibrous joints, the articulating bones are held together by fibrous connective tissue. There is no joint cavity. Joints differ from each other by their tissue formation, function, structure, and movement. Types of joints by tissue formation. When the articulating bones are connected, the connection may mainly involve three types of tissues – fibers, cartilages, or synovial membrane.