anatomy unit 4 notes: bone injury
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Anatomy Unit 4 Notes: Bone InjuryTRANSCRIPT
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ANATOMY
Unit 4 Notes:Bone Injury
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(1) Bone Injury(1) Bone Injury
• Increased weight on bone/joint.
• Irregular movement/manipulation…– Twisting– Rotation– Bending
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(2) Comminuted Fractures(2) Comminuted Fractures
- Bone fragments into 3 or more pieces
- Common in aged people, when bones are more brittle
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(3) Spiral Fractures(3) Spiral Fractures
- Ragged diagonal break
- Result of excessive twisting forces
- Common sports fracture
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(4) Depressed Fractures(4) Depressed Fractures
- Portion of broken bone pressed inward
- Typical skull fracture
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(5) Transverse Fractures(5) Transverse Fractures
- Bone breaks straight through bone (perpendicular)
- Clean Break
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(6) Oblique Fractures(6) Oblique Fractures
- Bone breaks on diagonal
- Clean break
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(7) Open Fractures(7) Open Fractures
- Bone breaks and pierces skin
- Common in forearm and shin (leg)
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(8) Compression Fractures(8) Compression Fractures
- Bone is crushed
- Common in porous bones (due to osteoporosis)
- Common in vertebral column
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(9) Epiphyseal Fractures(9) Epiphyseal Fractures
- Epiphysis separates from diaphysis along epiphyseal plate
- Usually occurs where cartilage cells are dying and calcifying
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(10) Greenstick Fractures(10) Greenstick Fractures
- Bone breaks incompletely (like a twig)
- Only one side of the shaft breaks, other side bends
- Common in children, when bones are more flexible
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