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Application of an extension-pronation force to an axial-load wrist, such as in a fall on an outstretched hand, causes most of the traumatic injuries of the TFCC. Dorsal rotation injury, such as when a drill binds and rotates the wrist instead of the bit, can also cause traumatic injuries. Injury may also occur from a distraction force applied ...
The menisci are nourished by small blood vessels but have a large area in the center with no direct blood supply (avascular). This presents a problem when there is an injury to the meniscus, as the avascular areas tend not to heal. Without the essential nutrients supplied by blood vessels, healing cannot take place. [citation needed]
The severity of such symptoms tend to progress over time and occur more frequently amongst older patients. [5] CSM symptoms can be unilateral or bilateral, depending on the lateral regions where compression of the spinal cord and nerve roots occur. [9] If left untreated, CSM can lead to long-term or permanent damage to the spinal cord and nerve ...
A line crossing the center of a line between the superior and inferior rims of the glenoid articular surface (blue in image). The center of a "best-fit" circle positioned over the humeral articular surface (green in image) Normally, the former is positioned inferiorly to the latter, and a reversal therefore indicates a rotator cuff tear. [51]
An upper motor neuron lesion (also known as pyramidal insufficiency) Is an injury or abnormality that occurs in the neural pathway above the anterior horn cell of the spinal cord or motor nuclei of the cranial nerves.
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Symptoms are frequently worsened by a Valsalva maneuver, or by being upright for long periods of time. The reason that being upright is problematic is that gravity allows increased interaction between the brain stem and the top of the spinal column, increasing symptoms. Lying in the supine position can bring short-term relief. Lying supine ...
This guy gave new meaning to the slogan “Gottahava Wawa.” Police in East Windsor, N.J., arrested a 24-year-old man on Dec. 23, and charged him with misusing the town’s 911 system for ...