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Effects of cord pretension and stiffness of the Dynesys system spacer on the biomechanics of spinal decompression- a finite element study

Overview of attention for article published in BMC Musculoskeletal Disorders, June 2013
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Title
Effects of cord pretension and stiffness of the Dynesys system spacer on the biomechanics of spinal decompression- a finite element study
Published in
BMC Musculoskeletal Disorders, June 2013
DOI 10.1186/1471-2474-14-191
Pubmed ID
Authors

Shih-Liang Shih, Chien-Lin Liu, Li-Ying Huang, Chang-Hung Huang, Chen-Sheng Chen

Abstract

The Dynesys system provides stability for destabilized spines while preserving segmental motion. However, clinical studies have demonstrated that the Dynesys system does not prevent adjacent segment disease. Moreover, biomechanical studies have revealed that the stiffness of the Dynesys system is comparable to rigid fixation. Our previous studies showed that adjusting the cord pretension of the Dynesys system alleviates stress on the adjacent level during flexion. We also demonstrated that altering the stiffness of Dynesys system spacers can alleviate stress on the adjacent level during extension of the intact spine. In the present study, we hypothesized that omitting the cord preload and changing the stiffness of the Dynesys system spacers would abate stress shielding on adjacent spinal segments.

Twitter Demographics

The data shown below were collected from the profiles of 2 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 23 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 23 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 4 17%
Researcher 4 17%
Student > Ph. D. Student 4 17%
Student > Postgraduate 2 9%
Student > Master 2 9%
Other 7 30%
Readers by discipline Count As %
Medicine and Dentistry 7 30%
Engineering 6 26%
Unspecified 3 13%
Agricultural and Biological Sciences 2 9%
Sports and Recreations 1 4%
Other 4 17%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 19 June 2013.
All research outputs
#3,350,536
of 5,036,908 outputs
Outputs from BMC Musculoskeletal Disorders
#1,334
of 1,695 outputs
Outputs of similar age
#59,893
of 93,888 outputs
Outputs of similar age from BMC Musculoskeletal Disorders
#60
of 68 outputs
Altmetric has tracked 5,036,908 research outputs across all sources so far. This one is in the 29th percentile – i.e., 29% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,695 research outputs from this source. They receive a mean Attention Score of 4.3. This one is in the 17th percentile – i.e., 17% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 93,888 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 68 others from the same source and published within six weeks on either side of this one. This one is in the 5th percentile – i.e., 5% of its contemporaries scored the same or lower than it.