Z331 Fall 2010 Ecampus Week 2 Lecture 5 Joint Structure Posted

Z331 Fall 2010 Ecampus Week 2 Lecture 5 Joint Structure Posted

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Week 2: Lecture 5: Chapter  9 –   Joints: Structure
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Joints Body movement  occurs at joints  (articulations) where 2  bones connect Joint Structure:  determines direction  and distance of  movement (range of  motion) Joint strength  decreases as mobility  increases
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Joints are classified in 2 ways: Functional  Classifications: Synarthrosis:   no movement Amphiarthrosis:  little movement Diarthrosis  (Synovial):  freely moveable Structural  Classifications: Bony Fibrous Cartilaginous Synovial  Table 9–1, 259 Table  9–2,  260 May fuse over time
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Structural Classifications: Bony   (Synarthrotic) Fibrous   (Synarthrotic  or Amphiarthrotic) Cartilaginous  (Synarthrotic or  Amphiarthrotic) Synovial   (Diarthrotic) Saladin, 4 th  ed., figs.  7.10, 9.2, 9.4 & 9.5 If you know the structural classification then it is relatively easy to determine the functional classification
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This note was uploaded on 02/15/2011 for the course ZOOLOGY 331 taught by Professor Amyharwell during the Fall '10 term at Oregon State.

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Z331 Fall 2010 Ecampus Week 2 Lecture 5 Joint Structure Posted

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