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Measurement of Dynamic Scapular Kinematics Using an Acromion Marker Cluster to Minimize Skin Movement Artifact
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Quantitative Analysis of Scapular Winging Using Moire Topography.

Nathan S Lanham, Rifat Ahmed, H Rachel Park1

  • 1Columbia University, Department of Biomedical Engineering, New York, NY, USA.

The Archives of Bone and Joint Surgery
|October 31, 2024
PubMed
Summary
This summary is machine-generated.

This study quantitatively characterized scapular winging using Moire Topography (MT). The novel MT method successfully identified scapular winging in simulated scenarios, offering a new tool for shoulder assessment.

Keywords:
Moire topographyQuantitativeScapula dyskinesisScapular winging

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Area of Science:

  • Biomechanics
  • Medical Imaging
  • Orthopedics

Background:

  • Scapular winging is a condition affecting shoulder function.
  • Moire Topography (MT) has been used qualitatively for scapular winging assessment.
  • A quantitative method for MT-based scapular winging analysis is needed.

Purpose of the Study:

  • To quantitatively characterize scapular winging using a novel Moire Topography (MT) method.
  • To validate the accuracy of the MT method for measuring scapular prominence.

Main Methods:

  • Analyzed 20 shoulders in 10 healthy subjects.
  • Simulated scapular winging using hand-behind-back (HBB) and weighted scaption protocols.
  • Validated MT with calibration and control objects of known dimensions.

Main Results:

  • Significant differences in scapular measurements were found in both simulated winging groups (P=0.0004 and P=0.0178).
  • Scapular winging was most prominent in the HBB position and at lower degrees of scaption (<60°).

Conclusions:

  • Quantitative characterization of scapular winging is achievable with the novel MT method.
  • The technique identified scapular winging at lower degrees of shoulder elevation.
  • Future research should explore real-time, multi-planar analysis in patients with shoulder pathology.