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The Impact of Whole-Body Electromyostimulation on Body Posture and Trunk Muscle Strength in Untrained Persons

  • Muscular imbalances of the trunk muscles are held responsible for changes in body posture. At the same time, whole-body electromyostimulation (WB-EMS) has been established as a new training method that enables simultaneous stimulation of many muscle groups. This study was aiming to analyze if a 10 weeks WB-EMS training changes posture-relevant parameters and/or improves isometric strength of the trunk extensors and flexors, and if there are differences based on stimulation at 20 Hz and 85 Hz. Fifty eight untrained adult test persons were divided into three groups (control, CON; training with 20 Hz stimulation, TR20; training with 85 Hz, TR85). Anthropometric parameters, trunk extension and flexion forces and torques, and posture parameters were determined before (n = 58) and after (n = 53: CON: n = 15, TR20: n = 19, TR85: n = 19) a 10 weeks WB-EMS training program (15 applications, 9 exercises). Differences between the groups were calculated for pre- and post-tests using univariate ANOVA and between the test times using repeated (2 × 3) ANOVA. Comparisons of pairs were calculated post hoc based on Fisher (LSD). No differences between the groups were found for the posture parameters. The post hoc analysis of both trunk flexion and trunk extension forces and torques showed a significant difference between the groups TR85 and CON but no difference between the other group pairs. A 10 weeks whole-body electrostimulation training with a stimulation frequency of 85 Hz in contrast to training with a stimulation frequency of 20 Hz improves the trunk muscle strength of an untrained group but does not significantly change posture parameters.
Metadaten
Author:Oliver LudwigORCiD, Joshua BergerORCiD, Stephan BeckerORCiD, Wolfgang Kemmler, Michael FröhlichORCiD
URN (permanent link):urn:nbn:de:hbz:386-kluedo-58150
ISSN:1664-042X
Parent Title (English):Frontiers in Physiology
Publisher:Frontiers
Document Type:Article
Language of publication:English
Publication Date:2019/08/20
Year of Publication:2019
Publishing Institute:Technische Universität Kaiserslautern
Date of the Publication (Server):2019/12/16
Number of page:11
Last Page:20 August 2019
Source:https://www.frontiersin.org/articles/10.3389/fphys.2019.01020/full
Faculties / Organisational entities:Fachbereich Sozialwissenschaften
DDC-Cassification:7 Künste und Unterhaltung, Architektur, Raumplanung / 796 Sport
Collections:Open-Access-Publikationsfonds
Licence (German):Zweitveröffentlichung