Journal article
Movement Coordination During Humeral Elevation in Individuals With Newly Acquired Spinal Cord Injury
Journal of applied biomechanics, v 36(5), pp 345-350
01 Oct 2020
PMID: 32796138
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Humeral elevation is a critical motion for individuals who use a manual wheelchair given that, in a typical day, wheelchair users reach overhead 5 times more often than able-bodied controls. Kinematic analyses in individuals with chronic spinal cord injury (SCI) have focused on weight-bearing tasks rather than overhead reaching. This technical report presents shoulder movement coordination during overhead reaching in individuals with newly acquired SCI. Eight volunteers with acute SCI and 8 matched, uninjured controls participated. Three-dimensional kinematics were collected during seated, humeral elevation. Scapular and thoracic rotations during humeral elevation were averaged across repetitions. The linear relationship of scapular upward rotation to humeral elevation provided movement coordination analysis. Maximal elevation was reduced in SCI with increased thoracic kyphosis. Medium to large effect sizes were found at each elevation angle, with reduced scapular external rotation, posterior tilt, and increased thoracic kyphosis for those with SCI. The linear relationship occurred later and within a significantly (P =.02) smaller range of humeral elevation in SCI. Altered movement coordination, including a diminished linear association of scapular upward rotation and humeral elevation (scapulohumeral rhythm), is found with reduced maximal elevation and increased thoracic kyphosis during overhead reaching tasks in those with acute SCI.
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Details
- Title
- Movement Coordination During Humeral Elevation in Individuals With Newly Acquired Spinal Cord Injury
- Creators
- Margaret A. Finley - Drexel UniversityElizabeth Euiler - Drexel UniversityShivayogi Hiremath - Temple UniversityJoseph Sarver - Drexel University
- Publication Details
- Journal of applied biomechanics, v 36(5), pp 345-350
- Publisher
- Human Kinetics Publ Inc
- Number of pages
- 6
- Grant note
- W81XWH-17-1-0476 / Department of Defense SCIRP; United States Department of Defense
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- School of Biomedical Engineering, Science, and Health Systems; Physical Therapy (and Rehabilitation Sciences)
- Web of Science ID
- WOS:000576134000012
- Scopus ID
- 2-s2.0-85092931717
- Other Identifier
- 991019168398504721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Engineering, Biomedical
- Sport Sciences