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dc.contributor.author
Häberle, Ramona
dc.contributor.author
Schellenberg, Florian
dc.contributor.author
List, Renate
dc.contributor.author
Plüss, Michael
dc.contributor.author
Taylor, Bill
dc.contributor.author
Lorenzetti, Silvio
dc.date.accessioned
2019-01-24T13:00:52Z
dc.date.available
2019-01-24T11:48:55Z
dc.date.available
2019-01-24T13:00:52Z
dc.date.issued
2018-11-28
dc.identifier.issn
2052-1847
dc.identifier.other
10.1186/s13102-018-0111-7
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/319329
dc.identifier.doi
10.3929/ethz-b-000319329
dc.description.abstract
Background: Internal and external rotation exercises of the shoulder are frequently performed to avoid injury and pain. Knowledge about the motion and loadings of the upper extremities during these exercises is crucial for the development of optimal training recommendations. However, a comparison of the angles and corresponding moments in the upper extremities that are achieved during internal and external rotation exercises for the shoulder by using different resistance types has not yet been performed. Therefore, the aim of the study was to examine upper extremity kinetics and kinematics in 3D of the internal and external rotation exercises. Methods: The kinematics and kinetics of 12 participants while they performed 10 different exercises with a constant and with an elastic external load corresponding to 2% body mass was assessed. The motion of the upper extremities was recorded three-dimensionally with a motion capture system, using a newly developed marker set and joint coordinate systems with 28 markers. The applied external load was measured with a load cell placed in series with the external resistance, and moments were calculated using an inverse dynamics approach. Results: The range of motion and the joint loading was highly dependent on the exercises. The range of motion in the glenohumeral joint did not differ significantly between the two resistance types, whereas internal/external rotation moments were significantly higher with constant resistance than those with elastic resistance. Conclusions: Larger or lower moments can, therefore, be achieved through selection of the appropriate resistance type, while the range of motion can be altered through the selection of exercise type. Therefore, the loading motion patterns identified in this study can help to choose suitable shoulder exercises dependent on the training objective.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
BioMed Central
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
Internal/external rotation
en_US
dc.subject
Inverse dynamics
en_US
dc.subject
Load condition
en_US
dc.subject
Movement analysis
en_US
dc.title
Comparison of the kinematics and kinetics of shoulder exercises performed with constant and elastic resistance.
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
ethz.journal.title
BMC Sports Science, Medicine and Rehabilitation
ethz.journal.volume
28
en_US
ethz.journal.issue
10
en_US
ethz.pages.start
22
en_US
ethz.pages.end
35
en_US
ethz.size
13 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.publication.place
London
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02070 - Dep. Gesundheitswiss. und Technologie / Dep. of Health Sciences and Technology::02518 - Institut für Biomechanik / Institute for Biomechanics::03994 - Taylor, William R. / Taylor, William R.
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02070 - Dep. Gesundheitswiss. und Technologie / Dep. of Health Sciences and Technology::02518 - Institut für Biomechanik / Institute for Biomechanics::03994 - Taylor, William R. / Taylor, William R.
en_US
ethz.date.deposited
2019-01-24T11:48:57Z
ethz.source
FORM
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2019-01-24T13:01:11Z
ethz.rosetta.lastUpdated
2019-01-24T13:01:11Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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