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Can positional MRI predict dynamic changes in the medial plantar arch? An exploratory pilot study

Overview of attention for article published in Journal of Foot and Ankle Research, September 2016
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About this Attention Score

  • In the top 25% of all research outputs scored by Altmetric
  • Good Attention Score compared to outputs of the same age (75th percentile)
  • Above-average Attention Score compared to outputs of the same age and source (56th percentile)

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7 tweeters
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2 Facebook pages

Citations

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2 Dimensions

Readers on

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23 Mendeley
Title
Can positional MRI predict dynamic changes in the medial plantar arch? An exploratory pilot study
Published in
Journal of Foot and Ankle Research, September 2016
DOI 10.1186/s13047-016-0168-z
Pubmed ID
Authors

Finn Johannsen, Philip Hansen, Sandra Stallknecht, Michael Skovdal Rathleff, Stine Hangaard, Janus Damm Nybing, Mikael Boesen

Abstract

Positional MRI (pMRI) allows for three-dimensional visual assessment of navicular position. In this exploratory pilot study pMRI was validated against a stretch sensor device, which measures movement of the medial plantar arch. We hypothesized that a combined pMRI measure incorporating both vertical and medial displacement of the navicular bone induced by loading would be correlated with corresponding stretch sensor measurements. 10 voluntary participants were included in the study. Both pMRI and subsequent stretch sensor measurements were performed in a) supine, b) standing and c) standing position with addition of 10 % body weight during static loading of the foot. Stretch sensor measurements were also performed during barefoot walking. The total change in navicular position measured by pMRI was 10.3 mm (CI: 7.0 to 13.5 mm). No further displacement occurred when adding 10 % bodyweight (mean difference: 0.7 mm (CI: -0.7 to 2.0 mm), P = 0.29). The total navicular displacement correlated with stretch sensor measurement under static loading conditions (Spearman's rho = 0.66, P = 0.04) but not with measurements during walking (Spearman's rho = 0.58, P = 0.08). Total navicular bone displacements determined by pMRI showed concurrent validity with stretch sensor measurements but only so under static loading conditions. Although assessment of total navicular displacement by combining concomitant vertical and medial navicular bone movements would appear advantageous compared to monoplanar measurement the combined measure did not seem to predict dynamic changes of the medial foot arch during walking, which are among several possible factors depending on different walking patterns.

Twitter Demographics

The data shown below were collected from the profiles of 7 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 5 22%
Student > Ph. D. Student 4 17%
Student > Master 2 9%
Researcher 2 9%
Student > Doctoral Student 1 4%
Other 2 9%
Unknown 7 30%
Readers by discipline Count As %
Medicine and Dentistry 10 43%
Sports and Recreations 2 9%
Engineering 2 9%
Neuroscience 1 4%
Unknown 8 35%

Attention Score in Context

This research output has an Altmetric Attention Score of 6. 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 10 September 2016.
All research outputs
#1,913,453
of 9,993,811 outputs
Outputs from Journal of Foot and Ankle Research
#162
of 440 outputs
Outputs of similar age
#63,101
of 257,501 outputs
Outputs of similar age from Journal of Foot and Ankle Research
#7
of 16 outputs
Altmetric has tracked 9,993,811 research outputs across all sources so far. Compared to these this one has done well and is in the 80th percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 440 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.4. This one has gotten more attention than average, scoring higher than 62% of its peers.
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 257,501 tracked outputs that were published within six weeks on either side of this one in any source. This one has done well, scoring higher than 75% of its contemporaries.
We're also able to compare this research output to 16 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 56% of its contemporaries.