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Anatomical variations of the palmaris longus muscle including its relation to the median nerve – a proposal for a new classification

Overview of attention for article published in BMC Musculoskeletal Disorders, December 2017
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3 tweeters

Citations

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39 Mendeley
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Title
Anatomical variations of the palmaris longus muscle including its relation to the median nerve – a proposal for a new classification
Published in
BMC Musculoskeletal Disorders, December 2017
DOI 10.1186/s12891-017-1901-x
Pubmed ID
Authors

Łukasz Olewnik, Grzegorz Wysiadecki, Michał Polguj, Michał Podgórski, Hubert Jezierski, Mirosław Topol

Abstract

The palmaris longus (PL) muscle is characterised by high morphological diversity, and its tendon crosses the median nerve (MN) at different levels. Due to the fact that the palmaris longus tendon is routinely harvested for reconstruction of other tendons, knowledge of its morphological variations is clinically important. Therefore, the purpose of the study was to suggest a new morphological classification of the PL muscle and characterise the relationship of its tendon to the median nerve. Standard dissection was performed on 80 randomised and isolated upper limbs (40 left and 40 right) fixed in a 10% formalin solution. Measurements of muscle belly and tendon were obtained. The course and location of tendon insertion, as well as its relationship to the median nerve, were noted. The palmaris longus muscle was present in 92.5% of specimens. Three types of palmaris longus muscle were identified based on the morphology of its insertion (types I-III) and these were further subdivided into three subgroups (A-C) according to the ratio of the length of the muscle belly and its tendon. The most frequent was type I (78.8%), where the tendon attached to the palmar aponeurosis, and subtype B, where the tendon-to-belly ratio was 1-1.5 (41.1%). The mean distance from the interstyloid line to the crossing between the median nerve and the palmaris longus tendon was 31.6 mm. In addition, two types of palmaris longus were described. The presented classification of palmaris longus muscle types allows a better characterization of its diversity and may be useful in planning tendon grafting.

Twitter Demographics

The data shown below were collected from the profiles of 3 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 39 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 39 100%

Demographic breakdown

Readers by professional status Count As %
Student > Doctoral Student 8 21%
Student > Bachelor 5 13%
Student > Ph. D. Student 3 8%
Other 2 5%
Professor > Associate Professor 2 5%
Other 7 18%
Unknown 12 31%
Readers by discipline Count As %
Medicine and Dentistry 17 44%
Engineering 2 5%
Sports and Recreations 2 5%
Agricultural and Biological Sciences 1 3%
Nursing and Health Professions 1 3%
Other 0 0%
Unknown 16 41%

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 15 March 2020.
All research outputs
#10,329,605
of 17,367,552 outputs
Outputs from BMC Musculoskeletal Disorders
#1,712
of 3,282 outputs
Outputs of similar age
#150,218
of 286,297 outputs
Outputs of similar age from BMC Musculoskeletal Disorders
#1
of 1 outputs
Altmetric has tracked 17,367,552 research outputs across all sources so far. This one is in the 40th percentile – i.e., 40% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,282 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.6. This one is in the 47th percentile – i.e., 47% of its peers scored the same or lower than it.
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