Bone Fractures

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Bone Fractures

  1. 1. BONE FRACTURESBiology 120<br />Cheryl A. Kirby<br />
  2. 2. What is a Fracture?<br />A break in a bone or cartilage<br />Usually result of a trauma<br />Sometimes caused by disease such as osteoporosis or osteogenesisimperfecta (brittle bone disease)<br />
  3. 3. Why are Fractures Painful?<br />Nerve endings surrounding bones contain pain fibers that become irritated<br />Bleeding of bones causes swelling<br />Muscles spasms trying to hold bones in place<br />
  4. 4. How are Fractures Named?<br />Classified by character and location<br />Examples: “comminuted fracture of tibia”<br /> “greenstick fracture of humerus”<br />
  5. 5. Comminuted Bone Fracture<br />Bone is broken, splintered, or crushed into several pieces<br />Comminuted Fracture of the Femur<br />
  6. 6. Greenstick Bone Fracture<br />Bone is only partially broken<br />Common in children<br />Bones are pliable<br />Calcium has not completely solidified bones<br />Greenstick Fracture of the Radius and Ulna<br />
  7. 7. Oblique Bone Fracture<br />Bone is broken at an angle, diagonal to long axis<br />Oblique Fracture of the Tibia<br />
  8. 8. Treatment of Bone Fractures<br />Bone must be re-alligned according to type of fracture by an orthopedic doctor<br />Splint may be worn until swelling subsides<br />Elevation and ice<br />Plaster or fiberglass cast is worn for immobilization, usually several weeks<br />

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