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The 'hooked' acromion revisited

J G Edelson1

  • 1Department of Orthopedic Surgery, Poriya Hospital, Tiberias, Israel.

The Journal of Bone and Joint Surgery. British Volume
|March 1, 1995
PubMed
Summary
This summary is machine-generated.

Hooking of the acromion, a shoulder condition, was not observed in individuals under 30. This hooked configuration develops with age due to calcification of the coracoacromial ligament attachment.

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Area of Science:

  • Orthopedic research
  • Anatomy
  • Gerontology

Background:

  • The acromion's morphology can influence shoulder biomechanics.
  • Age-related changes in ligamentous structures are common.

Purpose of the Study:

  • To investigate the prevalence and developmental pattern of acromial hooking.
  • To identify the underlying cause of acromial hooking.

Main Methods:

  • Examination of 750 scapular dry bone specimens.
  • Analysis of 80 cadaver shoulder specimens.

Main Results:

  • Acromial hooking was absent in individuals younger than 30 years.
  • The incidence of acromial hooking increased with age.
  • Calcification of the coracoacromial ligament's acromial attachment was identified as the cause.

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Conclusions:

  • Acromial hooking is an age-dependent condition.
  • Ligamentous calcification contributes to the development of acromial hooking.
  • Understanding this process is crucial for diagnosing shoulder impingement syndromes.