Shoulder muscle activity in sport climbing in naturally chosen and corrected shoulder positions

Hdl Handle:
http://hdl.handle.net/10545/621875
Title:
Shoulder muscle activity in sport climbing in naturally chosen and corrected shoulder positions
Authors:
Baláš, Jiří; Duchačová, Alena; Giles, David ( 0000-0002-5590-5734 ) ; Kotalíková, Kateřina; Pánek, David; Draper, Nick ( 0000-0002-4466-3792 )
Abstract:
Objective: The aim of the study was to determine electromyographic activity of the scapula stabilizing muscles in naturally chosen and corrected shoulder positions in typical static climbing postures. Methods: Six male participants undertook surface electromyography measurement in four climbing postures for two different shoulder positions. The activity of the lower, middle and upper trapezius, serratus anterior, pectoralis major, and sternocleidomastoid was recorded. Electromyographic activity was expressed as the percentage of maximal voluntary contraction (MVC) for each muscle. Results: Climbing postures induced higher activation of middle and lower trapezius in corrected shoulder positions (35.3 ± 11.8 and 61.7 ± 15.4% MVC respectively) than in naturally chosen shoulder positions (18.4 ± 8.9 and 30.1 ± 13.8% MVC respectively). The highest activity of the middle and lower trapezius was found in postures with the arm in external rotation and 90° abduction and in an overhanging posture. Low activation was stated for the other muscles in both shoulder conditions. Conclusion: Results showed that climbers naturally elevate the shoulder during typical static postures. Corrected shoulder positions induce higher activation of the scapula stabilizing muscles than naturally chosen shoulder positions.
Affiliation:
Charles University; University of Derby; University of Cantebury
Citation:
Baláš, J. et al (2017) 'Shoulder Muscle Activity in Sport Climbing in Naturally Chosen and Corrected Shoulder Positions' , The Open Sports Sciences Journal, 10 (1):107.
Publisher:
Bentham Open
Journal:
The Open Sports Sciences Journal
Issue Date:
31-May-2017
URI:
http://hdl.handle.net/10545/621875
DOI:
10.2174/1875399X01710010107
Additional Links:
http://benthamopen.com/ABSTRACT/TOSSJ-10-107
Type:
Article
Language:
en
ISSN:
1875399X
Sponsors:
N/A
Appears in Collections:
Health and Social Care Research Centre

Full metadata record

DC FieldValue Language
dc.contributor.authorBaláš, Jiříen
dc.contributor.authorDuchačová, Alenaen
dc.contributor.authorGiles, Daviden
dc.contributor.authorKotalíková, Kateřinaen
dc.contributor.authorPánek, Daviden
dc.contributor.authorDraper, Nicken
dc.date.accessioned2017-10-04T11:32:14Z-
dc.date.available2017-10-04T11:32:14Z-
dc.date.issued2017-05-31-
dc.identifier.citationBaláš, J. et al (2017) 'Shoulder Muscle Activity in Sport Climbing in Naturally Chosen and Corrected Shoulder Positions' , The Open Sports Sciences Journal, 10 (1):107.en
dc.identifier.issn1875399X-
dc.identifier.doi10.2174/1875399X01710010107-
dc.identifier.urihttp://hdl.handle.net/10545/621875-
dc.description.abstractObjective: The aim of the study was to determine electromyographic activity of the scapula stabilizing muscles in naturally chosen and corrected shoulder positions in typical static climbing postures. Methods: Six male participants undertook surface electromyography measurement in four climbing postures for two different shoulder positions. The activity of the lower, middle and upper trapezius, serratus anterior, pectoralis major, and sternocleidomastoid was recorded. Electromyographic activity was expressed as the percentage of maximal voluntary contraction (MVC) for each muscle. Results: Climbing postures induced higher activation of middle and lower trapezius in corrected shoulder positions (35.3 ± 11.8 and 61.7 ± 15.4% MVC respectively) than in naturally chosen shoulder positions (18.4 ± 8.9 and 30.1 ± 13.8% MVC respectively). The highest activity of the middle and lower trapezius was found in postures with the arm in external rotation and 90° abduction and in an overhanging posture. Low activation was stated for the other muscles in both shoulder conditions. Conclusion: Results showed that climbers naturally elevate the shoulder during typical static postures. Corrected shoulder positions induce higher activation of the scapula stabilizing muscles than naturally chosen shoulder positions.en
dc.description.sponsorshipN/Aen
dc.language.isoenen
dc.publisherBentham Openen
dc.relation.urlhttp://benthamopen.com/ABSTRACT/TOSSJ-10-107en
dc.rightsArchived with thanks to The Open Sports Sciences Journalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectRock climbingen
dc.subjectSurface electromyographyen
dc.subjectScapulaen
dc.subjectTrapeziusen
dc.subjectPhysiotherapyen
dc.subjectInjuryen
dc.titleShoulder muscle activity in sport climbing in naturally chosen and corrected shoulder positionsen
dc.typeArticleen
dc.contributor.departmentCharles Universityen
dc.contributor.departmentUniversity of Derbyen
dc.contributor.departmentUniversity of Canteburyen
dc.identifier.journalThe Open Sports Sciences Journalen
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