Olecranon Fracture: Difference between revisions
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Olecranon fractures are frequently occurring elbowdisorders. These fractures are regarded as one of the simplest articular lesions and its operative and physiotherapeutic treatment straightforward. <br>Intraarticular fractures account for the majority of olecranon fractures and are generally associated with joint effusions and hematomas. Extraarticular fractures include avulsion fractures and are most commonly seen in the elderly.<sup>1, 8 <br></sup> | Olecranon fractures are frequently occurring elbowdisorders. These fractures are regarded as one of the simplest articular lesions and its operative and physiotherapeutic treatment straightforward. <br>Intraarticular fractures account for the majority of olecranon fractures and are generally associated with joint effusions and hematomas. Extraarticular fractures include avulsion fractures and are most commonly seen in the elderly.<sup>1, 8 <br></sup> | ||
== | == Causes == | ||
The first main cause of olecranon fractures is when people fall on the for arm. The olecranon is, in such direct trauma, forced into the distal humerus. The great pressure on the olecranon is caused by a hyperextension of the elbow and an outstretched hand. <sup>2<br></sup>The second cause is the result from an indirect mechanism through triceps contraction. The triceps tendon is associated intimately with the periosteum overlying the olecranon. The contraction of this muscle avulses the olecranon and tears the distal triceps expansion. That’s the reason why sportsmen, p.e. wrestlers and gymnasts, that generate a lot of isometric arm power are a risk group. Patients with a broken olecranon are unable to extend their arm.<sup>1, 7<br></sup> | |||
== Clinically Relevant Anatomy == | == Clinically Relevant Anatomy == | ||
Revision as of 00:24, 31 December 2010
Original Editors - Andries Derycker
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Introduction[edit | edit source]
Olecranon fractures are frequently occurring elbowdisorders. These fractures are regarded as one of the simplest articular lesions and its operative and physiotherapeutic treatment straightforward.
Intraarticular fractures account for the majority of olecranon fractures and are generally associated with joint effusions and hematomas. Extraarticular fractures include avulsion fractures and are most commonly seen in the elderly.1, 8
Causes[edit | edit source]
The first main cause of olecranon fractures is when people fall on the for arm. The olecranon is, in such direct trauma, forced into the distal humerus. The great pressure on the olecranon is caused by a hyperextension of the elbow and an outstretched hand. 2
The second cause is the result from an indirect mechanism through triceps contraction. The triceps tendon is associated intimately with the periosteum overlying the olecranon. The contraction of this muscle avulses the olecranon and tears the distal triceps expansion. That’s the reason why sportsmen, p.e. wrestlers and gymnasts, that generate a lot of isometric arm power are a risk group. Patients with a broken olecranon are unable to extend their arm.1, 7
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