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Unit 4 Day Anatomy "No bird soars too high if he soars with his own wings." -William BlakeWilliam Blake
Today’s Agenda Objective 13 & 14 Notes on objectives 15 & 16 Match the joint with its description Types of joints Model types of joints
Objective 13: Define joint and articulation Joint = articulation = point where two bones meet.
Objective 14 Describe the criteria used to classify joints structurally and functionally.
Structural Classification Cartilaginous Joints Fibrous Joints Synovial
Functional Classification Synarthrotic- Immovable Amphiarthrotic- Slightly Movable Diarthrotic- Full Movable
Objective 15 Describe the general structure of fibrous joints and give examples of the three common types
Fibrous Joints Where bones are connected by fibrous tissue. No joint cavity is present. Amount of movement dependent on the length of the fibers.
Examples Sutures of the skull Filled with very short connective tissue Adulthood joint becomes ossified and fused together to one unit -- Synostoses
Example (con’t) Syndesmoses ligaments that connect the tibia and the fibula Gomphoses articulation between the tooth and bony alveolar socket
Practice – Fibrous Jt. 8.What is the difference in a suture and a synostoses? 9. What kind of joint holds a tooth in its bony socket?
Objective 16 Describe the general structure of cartilaginous joints and give examples of the two common types.
Cartilaginous Joints Bones of these joints are united by cartilage. No joint cavity is present.
Examples Synchondroses Costal Cartilages that connect the ribs to the sternum Symphyses Discs that form joints between the vertebra.
Practice – Cart. Jt. 10.What is the main difference between a fibrous joint and a cartilaginous joint? 11. Name two cartilaginous joint?
Diarthrotic Joints Fully mobile Aka – Synovial Joint Contain a space called the synovial cavity and articular cartilage covering the bones of the joint.
Ball and Socket Joint
Ellipsoid joint between scaphoid and lunate bones of the wrist
Saddle joint between trapezium of the carpus (wrist)
Human Anatomy & Physiology FIFTH EDITION Elaine N. Marieb PowerPoint ® Lecture Slide Presentation by Vince Austin Copyright © 2003 Pearson Education, Inc.
Joints Chapter 8.
Joints P A R T A. Joints (Articulations) Weakest parts of the skeleton Articulation – site where two or more bones meet Functions of joints Give the skeleton.
Joints (Articulations) Weakest parts of the skeleton Weakest parts of the skeleton Articulation – site where two or more bones meet Articulation – site.
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Joints (Articulations) Weakest parts of the skeleton Articulation – site.
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings WEEK 22 A&P.
ARTICULATIONS Joints in the Human Body. WHAT ARE ARTICULATIONS? Articulations are joints Places where two or more bones meet.
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Human Anatomy & Physiology, Sixth Edition Elaine N. Marieb PowerPoint ® Lecture.
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Human Anatomy & Physiology SEVENTH EDITION Elaine N. Marieb Katja Hoehn PowerPoint.
Joints Part A 8.
Articulating your body
Joints and their classifications
Joints Chapter 8. What is a joint? Defined as the site where two or more bones meet. Also called an “articulation” Joints allow our skeleton mobility.
Joints and Skeletal Articulations
Joints Functions of joints Hold bones together Allow for mobility
8 Joints. 8 Joints Objectives: Joints Define joint or articulation. Classify joints structurally and functionally. Describe the general structure of.
General Classification Synarthroses and Amphiarthroses.
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