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UA - PHYI 201 - Bone Fractures - Class Notes

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UA - PHYI 201 - Bone Fractures - Class Notes

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background image Lecture 13 Bone Fractures Fractures: A break in the continuity of bone, rendering it structurally incompetent→ 
simply meaning that it is not able to function the way that it is supposed to
There are 2 Types of Fractures: Traumatic Fractures: Normal bone experiencing abnormal forces→ the 
bone bends or moves in the opposite direction that it should be able to
Pathologic Fractures: Abnormal bone experiencing normal forces→ The 
problem does not lie in the functionality, but the actual bone itself
○ Abnormal→ ‘bone has a problem → diseased’ Easier to break I.e. Osteoporosis More Specific Types of Fractures Incomplete Fractures: Bone is only partially broken in continuity (crack in part of
the bone)
I.e. ‘greenstick fracture’ ; ‘stress fracture’ ● Greenstick fracture→ mainly in children; incomplete  fracture that results in a bent bone Complete Fractures: Full loss of continuity (bone completely snapped in more 
than one piece)
2 types of complete fractures: Non­displaced Fractures: Complete fractures; do not result in 
separation of the broken bone pieces from each other
Displaced Fractures: Complete fractures; separation of one 
broken piece from another
2 types of displaced fractures: Simple (closed) Fractures: complete, 
displaced fractures→  neither broken piece of
bone breaks skin Compound (open) Fractures: complete, 
displaced fractures→  one or more broken 
pieces of bone break skin *More than 40 types of fractures→ named from severity, shape, position of fracture  line (how it is seen on the bone) I.e. → transverse, spiral, oblique, comminuted, avulsion, impacted Others are classified by location

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School: University of Arizona
Department: Physiology
Course: Human Anatomy and Physiology I
Professor: Stanescu
Term: Spring 2016
Tags: Physiology
Name: Bone Fractures
Description: Explains how fractures occur, how they are classified, and how they heal.
Uploaded: 02/20/2018
2 Pages 15 Views 12 Unlocks
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