Morphometric study of suprascapular notch and scapular dimensions in Ugandan dry scapulae with specific reference to the incidence of completely ossified superior transverse scapular ligament

Abstract Background Understanding of suprascapular notch (SSN) anatomy and relationship with scapular dimensions are vital in diagnosis, prevention, and assessment of suprascapular nerve entrapment syndrome. The study aimed to assess morphometry of suprascapular notch and scapular dimensions in Ugan...

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Main Authors: Adesanya Olamide Adewale, Okeniran Olatayo Segun, Ibe Michael Usman, Ann Lemuel Monima, Eric Simidi Kegoye, Keneth Iceland Kasozi, Halima Nalugo, Fred Ssempijja
Format: Article
Language:English
Published: BMC 2020-11-01
Series:BMC Musculoskeletal Disorders
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12891-020-03769-2
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author Adesanya Olamide Adewale
Okeniran Olatayo Segun
Ibe Michael Usman
Ann Lemuel Monima
Eric Simidi Kegoye
Keneth Iceland Kasozi
Halima Nalugo
Fred Ssempijja
author_facet Adesanya Olamide Adewale
Okeniran Olatayo Segun
Ibe Michael Usman
Ann Lemuel Monima
Eric Simidi Kegoye
Keneth Iceland Kasozi
Halima Nalugo
Fred Ssempijja
author_sort Adesanya Olamide Adewale
collection DOAJ
description Abstract Background Understanding of suprascapular notch (SSN) anatomy and relationship with scapular dimensions are vital in diagnosis, prevention, and assessment of suprascapular nerve entrapment syndrome. The study aimed to assess morphometry of suprascapular notch and scapular dimensions in Ugandan dry scapulae with specific reference to scapulae with completely ossified superior transverse scapular ligaments. Methods This was a cross-sectional analytical study conducted on 50 Ugandan dry scapulae. SSN types and prevalence of completely ossified superior transverse scapular ligament among dry scapulae were quantified and compared with previous data. Scapular dimensions were assessed by measuring scapular length (A), scapular width (B), glenoid length (C), and glenoid width (D). One-way ANOVA was used to compare scapular dimensions of scapulae with different SSN types, and Spearman’s correlation coefficient was used to evaluate the correlation coefficient of scapular dimensions amongst groups. Results Superior transverse scapular ligament (STSL) was completely ossified in 8% of cases. There was no significant (P > 0.05) difference between scapular dimensions of scapulae with completely ossified STSL compared to scapulae with other SSN types. Scapulae with completely ossified STSL showed strong negative (r = − 0.89137, r = − 0.877) correlations for its A, B respectively compared against D, this finding was not true to scapulae of other SSN types. Also, there were strong positive or negative (r > 0.7, r > − 0.7) correlations: for A, types I and III compared to type VI; for B, types I, III compared to VI; for C, type IV and VI; and for D, type III and VI. Conclusions The prevalence of completely ossified STSL is moderately high in the Ugandan population. Characteristics of the scapula (scapular dimensions) are not ‘vital’ but rather important or relevant for shoulder pathology with specific reference to suprascapular nerve entrapment syndrome due to completely ossified superior transverse scapular ligaments. Further correlation analyses of scapular dimensions of different SSN types in different populations are important.
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spelling doaj.art-82ac522142544189b7bb9ee9518551522022-12-22T00:44:35ZengBMCBMC Musculoskeletal Disorders1471-24742020-11-0121111010.1186/s12891-020-03769-2Morphometric study of suprascapular notch and scapular dimensions in Ugandan dry scapulae with specific reference to the incidence of completely ossified superior transverse scapular ligamentAdesanya Olamide Adewale0Okeniran Olatayo Segun1Ibe Michael Usman2Ann Lemuel Monima3Eric Simidi Kegoye4Keneth Iceland Kasozi5Halima Nalugo6Fred Ssempijja7Department of Anatomy, Faculty of Biomedical Sciences, Kampala International University Western CampusDepartment of Anatomy, Faculty of Biomedical Sciences, Kampala International University Western CampusDepartment of Anatomy, Faculty of Biomedical Sciences, Kampala International University Western CampusDepartment of Anatomy, Faculty of Biomedical Sciences, Kampala International University Western CampusDepartment of Anatomy, Faculty of Biomedical Sciences, Kampala International University Western CampusDepartment of Physiology, Faculty of Biomedical Sciences, Kampala International University Western CampusDepartment of Anatomy, Mbarara University of Science and TechnologyDepartment of Anatomy, Faculty of Biomedical Sciences, Kampala International University Western CampusAbstract Background Understanding of suprascapular notch (SSN) anatomy and relationship with scapular dimensions are vital in diagnosis, prevention, and assessment of suprascapular nerve entrapment syndrome. The study aimed to assess morphometry of suprascapular notch and scapular dimensions in Ugandan dry scapulae with specific reference to scapulae with completely ossified superior transverse scapular ligaments. Methods This was a cross-sectional analytical study conducted on 50 Ugandan dry scapulae. SSN types and prevalence of completely ossified superior transverse scapular ligament among dry scapulae were quantified and compared with previous data. Scapular dimensions were assessed by measuring scapular length (A), scapular width (B), glenoid length (C), and glenoid width (D). One-way ANOVA was used to compare scapular dimensions of scapulae with different SSN types, and Spearman’s correlation coefficient was used to evaluate the correlation coefficient of scapular dimensions amongst groups. Results Superior transverse scapular ligament (STSL) was completely ossified in 8% of cases. There was no significant (P > 0.05) difference between scapular dimensions of scapulae with completely ossified STSL compared to scapulae with other SSN types. Scapulae with completely ossified STSL showed strong negative (r = − 0.89137, r = − 0.877) correlations for its A, B respectively compared against D, this finding was not true to scapulae of other SSN types. Also, there were strong positive or negative (r > 0.7, r > − 0.7) correlations: for A, types I and III compared to type VI; for B, types I, III compared to VI; for C, type IV and VI; and for D, type III and VI. Conclusions The prevalence of completely ossified STSL is moderately high in the Ugandan population. Characteristics of the scapula (scapular dimensions) are not ‘vital’ but rather important or relevant for shoulder pathology with specific reference to suprascapular nerve entrapment syndrome due to completely ossified superior transverse scapular ligaments. Further correlation analyses of scapular dimensions of different SSN types in different populations are important.http://link.springer.com/article/10.1186/s12891-020-03769-2Suprascapular notchCompletely ossified superior transverse scapular ligamentScapular dimensionsSuprascapular nerve entrapment syndromeAnatomical variationUgandan population
spellingShingle Adesanya Olamide Adewale
Okeniran Olatayo Segun
Ibe Michael Usman
Ann Lemuel Monima
Eric Simidi Kegoye
Keneth Iceland Kasozi
Halima Nalugo
Fred Ssempijja
Morphometric study of suprascapular notch and scapular dimensions in Ugandan dry scapulae with specific reference to the incidence of completely ossified superior transverse scapular ligament
BMC Musculoskeletal Disorders
Suprascapular notch
Completely ossified superior transverse scapular ligament
Scapular dimensions
Suprascapular nerve entrapment syndrome
Anatomical variation
Ugandan population
title Morphometric study of suprascapular notch and scapular dimensions in Ugandan dry scapulae with specific reference to the incidence of completely ossified superior transverse scapular ligament
title_full Morphometric study of suprascapular notch and scapular dimensions in Ugandan dry scapulae with specific reference to the incidence of completely ossified superior transverse scapular ligament
title_fullStr Morphometric study of suprascapular notch and scapular dimensions in Ugandan dry scapulae with specific reference to the incidence of completely ossified superior transverse scapular ligament
title_full_unstemmed Morphometric study of suprascapular notch and scapular dimensions in Ugandan dry scapulae with specific reference to the incidence of completely ossified superior transverse scapular ligament
title_short Morphometric study of suprascapular notch and scapular dimensions in Ugandan dry scapulae with specific reference to the incidence of completely ossified superior transverse scapular ligament
title_sort morphometric study of suprascapular notch and scapular dimensions in ugandan dry scapulae with specific reference to the incidence of completely ossified superior transverse scapular ligament
topic Suprascapular notch
Completely ossified superior transverse scapular ligament
Scapular dimensions
Suprascapular nerve entrapment syndrome
Anatomical variation
Ugandan population
url http://link.springer.com/article/10.1186/s12891-020-03769-2
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