Lecture211 - Biomechanics of Articular Cartilage Reference...

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Unformatted text preview: Biomechanics of Articular Cartilage Reference Book Basic Biomechanics of the Musculoskeletal System (Nordin & Frankel) Chapter 3 Textbook: Chapter 9 Articular Cartilage Location and Function Location lines the bone ends of diarthroidal joints. Functions Distribute joint loads over a wider area and decrease stresses. Allows relative movement of opposing joint surfaces with minimal friction and wear Articular Cartilage Composition Collagen (Type II) 10-30% of net wt. Proteoglycans (PGs) 3-10% of net wt. Water, Inorganic salts (Sodium and Calcium Cations), matrix proteins, lipids (60-80%) Water is the most abundant component of articular cartilage. Cells of Articular Cartilage Chondrocytes & their arrangement No blood vessels, lymph channels and nerves Components of Articular Cartilage Type II Collagen Components of Articular Cartilage Distribution Type II Collagen Question: Is the distribution of collagen basis for anisotropic properties of the cartilage? Components of Articular Cartilage Proteoglycans Glycosamnoglycans (GAGs)...
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Lecture211 - Biomechanics of Articular Cartilage Reference...

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