Biol 328 - Movements and Articulations S C Williams San...

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1 Movements and Articulations S. C. Williams San Francisco State University
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2 Introduction Humans have an internal skeleton composed of 206 bones in the adult Movement is possible between these bones because of joints or articulations Many sophisticated kinds of movements are facilitated at the joints Arthrology is the study of articulation, structure, function and classification Good health is promoted by good joints Joint deterioration is a common symptom of aging
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3 Topics of Discussion Kinds of movements Arthrology Structural classification of joints Functional classification of joints How articulations are named Some important synovial articulations to study carefully
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4 General Classification of Movements Movements often occur in opposing pairs Suppression of movements – e. G. Sutures Gliding movements: facet joints Flexion-extension – hyperextension Adduction -- Abduction Rotation: median and lateral Circumduction – cone shaped movements Protraction – retraction Dorsi flexion – plantar flexion Eversion -- Inversion Elevation – depression
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5 Kinds of Movements - 1 Flexion – extension – hyperextension Adduction – abduction
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6 Kinds of Movements – 2 Rotation Medial & lateral Supination – pronation Circumduction
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7 Gliding Movements Facet joints
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8 Other Movements
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