CH 2 - Chapter 2 Skeletal Considerations for Movement...

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Unformatted text preview: Chapter 2 Skeletal Considerations for Movement Objectives After reading this chapter, the student will be able to: 1. Define how the mechanical properties of a structure can be expressed in terms of its stress-strain relationship. 2. Define stress, strain, elastic region, plastic region, yield point, failure point, and elastic modulus. 3. Identify the elastic region, yield point, plastic region, and failure point on a stress-strain curve. 4. Describe the difference between elastic and a viscoelastic material. 5. Differentiate between brittle, stiff, and compliant materials. 6. List the functions of bone tissue that makes up the skeletal system. 7. Describe the composition of bone tissue and the characteristics of cortical and cancellous bone. 8. Identify the types of bones found in the skeletal system and describe the role each type of bone plays in human movement or support. 9. Describe how bone tissue forms and the differences between modeling and remodeling. 10. Discuss the impact of activity and inactivity on bone formation. Objectives After reading this chapter, the student will be able to: 11. Define osteoporosis and discuss the development of osteoporosis. 12. Discuss the strength and stiffness of bone as well as bone's anisotropic and viscoelastic properties. 13. Define the following types of loads that bone must absorb and provide an example to illustrate each load on the skeletal system: compression, tension, shear, bending, and torsion. 14. Describe stress fractures and other common injuries to the skeletal system and explain the load causing the injury. 15. Describe the types of cartilage and their function in the skeletal system. 16. Describe the function of ligaments in the skeletal system. 17. Describe all of the components of the diarthrodial joint, factors that contribute to joint stability, and examples of injury to the diarthrodial joint. 18. List the seven different types of diarthrodial joints and provide examples of each one. 19. Describe the characteristics of the synarthrodial and amphiarthrodial joint and provide an example of each. 20. Define osteoarthritis and discuss the development of osteoarthritis. Measuring the Mechanical Properties of Body Tissues Basic Structural Analysis Stress and Strain Stress ( ) Force applied to deform a structure Force per unit area Measured in N/m 2 or pascals = F/A Strain ( ) Deformation caused by applied stress = L/L Elastic modulus (k) k = stress/strain = / Stiffness of a material Yield point Up to yield point, structure is in its elastic region Past the yield point is the structures plastic region...
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This note was uploaded on 11/10/2011 for the course KIN 3502 taught by Professor Porter during the Spring '08 term at LSU.

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CH 2 - Chapter 2 Skeletal Considerations for Movement...

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