Kinematical analysis of shoulder joint during elevation measured by ultrasound-based measuring system

Research output: Contribution to journalArticle

Abstract

In order to analyse shoulder joint movements, the author uses a ZEBRIS CMS-HS ultrasound-based movement sensor and a related measurement program developed by the researchers in Biomechanical Laboratory in TUB. In essence, the measurement involves the determination of the spatial position of the 16 anatomical points specified on the basis of the coordinates of ultrasound-based triplets positioned on the upper limb, the scapula, and the thorax, measured in the course of motion. Kinematic characteristics of 74 shoulder joints of 50 healthy persons were identified during elevation. A specially developed processing program was used for the calculation and analysis of humerus elevation, scapulothoracal, and glenohumeral angles, defined as angles of spatial vectors; the glenohumeral, scapulothorocal and capuloglenoid ratio to be determined therefrom; and of scapulothoracal and glenohumeral rhythm during motion. Motion of the humerus and the scapula relative to each other was characterized by the rotation center of the two bones and rigid bodies as well as their absolute and relative displacement relative to each other. The biomechanical model of the shoulder joint during elevation can be described by analysing the results of the measurements performed.

Original languageEnglish
Pages (from-to)69-82
Number of pages14
JournalPeriodica Polytechnica: Civil Engineering
Volume50
Issue number1
Publication statusPublished - 2006

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Ultrasonics
limb
bone
Bone
Kinematics
kinematics
sensor
Sensors
Processing
analysis
measuring
ultrasound
programme
laboratory
calculation

Keywords

  • Range of angle
  • Rotation centres
  • Shoulder joint
  • Shoulder joint kinematics

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Geotechnical Engineering and Engineering Geology

Cite this

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abstract = "In order to analyse shoulder joint movements, the author uses a ZEBRIS CMS-HS ultrasound-based movement sensor and a related measurement program developed by the researchers in Biomechanical Laboratory in TUB. In essence, the measurement involves the determination of the spatial position of the 16 anatomical points specified on the basis of the coordinates of ultrasound-based triplets positioned on the upper limb, the scapula, and the thorax, measured in the course of motion. Kinematic characteristics of 74 shoulder joints of 50 healthy persons were identified during elevation. A specially developed processing program was used for the calculation and analysis of humerus elevation, scapulothoracal, and glenohumeral angles, defined as angles of spatial vectors; the glenohumeral, scapulothorocal and capuloglenoid ratio to be determined therefrom; and of scapulothoracal and glenohumeral rhythm during motion. Motion of the humerus and the scapula relative to each other was characterized by the rotation center of the two bones and rigid bodies as well as their absolute and relative displacement relative to each other. The biomechanical model of the shoulder joint during elevation can be described by analysing the results of the measurements performed.",
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