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Article

Electromyographic Assessment of the Lower Leg Muscles during Concentric and Eccentric Phases of Standing Heel Raise

1
Faculty of Sports Science, Ningbo University, Ningbo 315211, China
2
Institute for Clinical Exercise & Health Science, School of Health and Life Sciences, University of the West of Scotland, South Lanarkshire G72 0LH, UK
3
School of Clinical Sciences, Queensland University of Technology (QUT), 60 Musk Avenue, Kelvin Grove 4059, Australia
4
Li Ning Sports Science Research Center, Li Ning (China) Sports Goods Co. Ltd., Beijing 101111, China
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Department of Kinesiology, Shenyang Sports University, Shenyang 110102, China
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Centre for Health and Exercise Science Research, Department of Sport, Physical Education and Health, Hong Kong Baptist University, Hong Kong, China
7
CNRS, LaPSCo, Physiological and Psychosocial Stress, University Hospital of Clermont-Ferrand, CHU Clermont-Ferrand, Preventive and Occupational Medicine, WittyFit, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
8
Faculty of Health, School of Exercise Science, Australian Catholic University, Melbourne 3000, Australia
9
Advanced Textiles Research Group, School of Art and Design, Nottingham Trent University, Bonington Building, Dryden Street, Nottingham NG1 4GG, UK
*
Author to whom correspondence should be addressed.
Academic Editor: Filipe Manuel Clemente
Healthcare 2021, 9(4), 465; https://doi.org/10.3390/healthcare9040465
Received: 23 March 2021 / Revised: 10 April 2021 / Accepted: 11 April 2021 / Published: 14 April 2021
(This article belongs to the Special Issue Sport and Exercise Medicine)
Only a small number of muscle activation patterns from lower limbs have been reported and simultaneous muscle activation from several lower limb muscles have not yet been investigated. The purpose of this study was to examine any gender differences in surface electromyography (EMG) activity from six recorded lower limb muscles of the dominant limb at baseline (i.e., with the foot placed flat on the floor and in the neutral position), and during concentric and eccentric phases when performing a heel raise task. In total, 10 females and 10 males performed a standing heel raise task comprising of three continuous phases: baseline, unloading (concentric muscle action), and loading (eccentric muscle action) phases. Muscle activation from six muscles (gastrocnemius medialis, gastrocnemius lateralis, soleus, tibialis anterior, peroneus longus, and peroneus brevis) were measured using the Myon 320 EMG System. Root mean squared values of each muscle were calculated for each phase. Descriptive and inferential statistics were incorporated into the study. Statistically significant p values were set at 0.05. The results showed no significant differences between baseline, concentric, and eccentric phases with respect to each of the muscles investigated. Except for the gastrocnemius medialis at baseline and concentric phases, no significant differences were observed between genders or contractions. The data suggests that gender does not significantly influence the eccentric phase during the standing heel raise task. View Full-Text
Keywords: MVC; standing heel raise; heel rise; concentric muscle action; eccentric muscle action MVC; standing heel raise; heel rise; concentric muscle action; eccentric muscle action
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MDPI and ACS Style

Ugbolue, U.C.; Yates, E.L.; Ferguson, K.; Wearing, S.C.; Gu, Y.; Lam, W.-K.; Baker, J.S.; Dutheil, F.; Sculthorpe, N.F.; Dias, T. Electromyographic Assessment of the Lower Leg Muscles during Concentric and Eccentric Phases of Standing Heel Raise. Healthcare 2021, 9, 465. https://doi.org/10.3390/healthcare9040465

AMA Style

Ugbolue UC, Yates EL, Ferguson K, Wearing SC, Gu Y, Lam W-K, Baker JS, Dutheil F, Sculthorpe NF, Dias T. Electromyographic Assessment of the Lower Leg Muscles during Concentric and Eccentric Phases of Standing Heel Raise. Healthcare. 2021; 9(4):465. https://doi.org/10.3390/healthcare9040465

Chicago/Turabian Style

Ugbolue, Ukadike C., Emma L. Yates, Kerensa Ferguson, Scott C. Wearing, Yaodong Gu, Wing-Kai Lam, Julien S. Baker, Frédéric Dutheil, Nicholas F. Sculthorpe, and Tilak Dias. 2021. "Electromyographic Assessment of the Lower Leg Muscles during Concentric and Eccentric Phases of Standing Heel Raise" Healthcare 9, no. 4: 465. https://doi.org/10.3390/healthcare9040465

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