Examining changes in acromial morphology in relation to spurs at the anterior edge of acromion

Abdulrahman Alraddadi (Lead / Corresponding author), Abduelmenem Alashkham, Clare Lamb, Roger Soames

Research output: Contribution to journalArticle

Abstract

Background: Although acromial morphology is classified as flat, curved, and hooked, whether the morphology is primary or acquired is debated. There have been no investigations on the effect of acromial spurs on acromial morphology. This study therefore aimed to evaluate acromial morphology in relation to spur formation at the anterior edge of the acromion.

Materials and Methods: Acromial morphology was investigated in 40 scapulae taken from 20 cadavers (10 male and 10 female), with a median age of 82 years (range 62-97 years). Ink prints of the anteroposterior aspect of the acromion were used to evaluate acromial slope angle and curvature height in relation to spur incidence, length, and shape at the anterior edge of the acromion.

Results: Differences were observed in acromial morphology and acromial curvature in relation to acromial spurs (incidence, size, and shape). A hooked acromion was observed as a primary structure in 25% of specimens, which increased to 43% when acromial spurs were involved. No differences were observed in relation to sex or side, while a significant correlation was observed between acromial curvature and the age of the specimens.

Conclusion: Acromial spurs increase acromial curvature and therefore change acromion morphology. Nevertheless, it is concluded that a hooked acromion occurs as a primary formed structure.

Level of Evidence: Basic science study, anatomy, cadaver dissection.

Original languageEnglish
Pages (from-to)409-414
Number of pages6
JournalSurgical and Radiologic Anatomy
Volume41
Issue number4
Early online date27 Nov 2018
DOIs
Publication statusE-pub ahead of print - 27 Nov 2018

Fingerprint

Acromion
Cadaver
Scapula
Ink
Incidence
Dissection
Anatomy

Keywords

  • Acromial curvature height
  • Acromial morphology
  • Acromial slope
  • Acromial spur
  • Shoulder degenerative changes

Cite this

Alraddadi, Abdulrahman ; Alashkham, Abduelmenem ; Lamb, Clare ; Soames, Roger. / Examining changes in acromial morphology in relation to spurs at the anterior edge of acromion. In: Surgical and Radiologic Anatomy. 2018 ; Vol. 41, No. 4. pp. 409-414.
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author = "Abdulrahman Alraddadi and Abduelmenem Alashkham and Clare Lamb and Roger Soames",
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Examining changes in acromial morphology in relation to spurs at the anterior edge of acromion. / Alraddadi, Abdulrahman (Lead / Corresponding author); Alashkham, Abduelmenem; Lamb, Clare; Soames, Roger.

In: Surgical and Radiologic Anatomy, Vol. 41, No. 4, 27.11.2018, p. 409-414.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Examining changes in acromial morphology in relation to spurs at the anterior edge of acromion

AU - Alraddadi, Abdulrahman

AU - Alashkham, Abduelmenem

AU - Lamb, Clare

AU - Soames, Roger

N1 - A. Alraddadi received funding from King Saud bin Abdulaziz University for Health Sciences.

PY - 2018/11/27

Y1 - 2018/11/27

N2 - Background: Although acromial morphology is classified as flat, curved, and hooked, whether the morphology is primary or acquired is debated. There have been no investigations on the effect of acromial spurs on acromial morphology. This study therefore aimed to evaluate acromial morphology in relation to spur formation at the anterior edge of the acromion.Materials and Methods: Acromial morphology was investigated in 40 scapulae taken from 20 cadavers (10 male and 10 female), with a median age of 82 years (range 62-97 years). Ink prints of the anteroposterior aspect of the acromion were used to evaluate acromial slope angle and curvature height in relation to spur incidence, length, and shape at the anterior edge of the acromion.Results: Differences were observed in acromial morphology and acromial curvature in relation to acromial spurs (incidence, size, and shape). A hooked acromion was observed as a primary structure in 25% of specimens, which increased to 43% when acromial spurs were involved. No differences were observed in relation to sex or side, while a significant correlation was observed between acromial curvature and the age of the specimens.Conclusion: Acromial spurs increase acromial curvature and therefore change acromion morphology. Nevertheless, it is concluded that a hooked acromion occurs as a primary formed structure.Level of Evidence: Basic science study, anatomy, cadaver dissection.

AB - Background: Although acromial morphology is classified as flat, curved, and hooked, whether the morphology is primary or acquired is debated. There have been no investigations on the effect of acromial spurs on acromial morphology. This study therefore aimed to evaluate acromial morphology in relation to spur formation at the anterior edge of the acromion.Materials and Methods: Acromial morphology was investigated in 40 scapulae taken from 20 cadavers (10 male and 10 female), with a median age of 82 years (range 62-97 years). Ink prints of the anteroposterior aspect of the acromion were used to evaluate acromial slope angle and curvature height in relation to spur incidence, length, and shape at the anterior edge of the acromion.Results: Differences were observed in acromial morphology and acromial curvature in relation to acromial spurs (incidence, size, and shape). A hooked acromion was observed as a primary structure in 25% of specimens, which increased to 43% when acromial spurs were involved. No differences were observed in relation to sex or side, while a significant correlation was observed between acromial curvature and the age of the specimens.Conclusion: Acromial spurs increase acromial curvature and therefore change acromion morphology. Nevertheless, it is concluded that a hooked acromion occurs as a primary formed structure.Level of Evidence: Basic science study, anatomy, cadaver dissection.

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KW - Acromial morphology

KW - Acromial slope

KW - Acromial spur

KW - Shoulder degenerative changes

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DO - 10.1007/s00276-018-2141-y

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VL - 41

SP - 409

EP - 414

JO - Surgical and Radiologic Anatomy

JF - Surgical and Radiologic Anatomy

SN - 0930-1038

IS - 4

ER -