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84579

Electromyographic Comparison of Squash Backhand Shot After Midcourt and Frontcourt Traditional Movement Patterns

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Last updated: 04 Jan 2025

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Abstract

Electromyography of sixteen muscles of the lower limb, trunk, and upper limb muscles were compared between Backhand shot after traditional midcourt movement pattern and traditional frontcourt movement pattern of a three female squash players (age: 14.5±0.5 years old; height 1.48±0.15 m; mass: 44.67±1.53 Kg), ranked in the Squash National Egyptian team. Surface electromyographic (sEMG) electrodes were placed according to SENIAM guidelines on the skin, superficial to right-sided postural proximal of the trapezius, posterior deltoid, anterior deltoid, triceps brachii, biceps brachii, pectoralis major, serratus anterior, rectus abdominis, external abdominal, glutaeus medius, gluteus maximus, biceps femoris, rectus femoris, tibialis anterior, gastrocnemius, and soleus muscle. EMG data were 16 bit A/D converted at 1000 Hz and stored on computer. EMG signals were amplified (gain of 400), band pass filtered (10 to 500Hz), full wave rectified using root mean square average, and normalized to the isometric maximum voluntary contraction (MVC). Mean and standard deviation of the muscles activity (%MVC) and work-loading (% Total activity area) were calculated from the start of the two tasks to the end of Backhand shot recovery phase. The results showed that there were significant differences between both tasks in muscle activity of biceps brachii and gluteus maximus muscle, and the percentage of work-loading of rectus abdominis, gluteus maximus and biceps femoris.

DOI

10.21608/jass.2016.84579

Keywords

muscle activity, backhand, Court movement patterns, squash

Authors

First Name

Tarek

Last Name

Gamal Alaaeldien

MiddleName

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Affiliation

Faculty of Physical Education for Boys, Alexandria University, Alexandria, Egypt

Email

tarek_g@hotmail.com

City

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Orcid

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Volume

6

Article Issue

3

Related Issue

12634

Issue Date

2016-09-01

Receive Date

2016-07-01

Publish Date

2016-09-01

Page Start

78

Page End

85

Print ISSN

2357-0024

Online ISSN

2357-0059

Article File

JASS_Volume 6_Issue 3_Pages 78-85.pdf

PDF . 339.8kB

Link

https://jassalexu.journals.ekb.eg/article_84579.html

Detail API

https://jassalexu.journals.ekb.eg/service?article_code=84579

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Original Article

Type Code

1,203

Publication Type

Journal

Publication Title

Journal of Applied Sports Science

Publication Link

https://jassalexu.journals.ekb.eg/

MainTitle

Electromyographic Comparison of Squash Backhand Shot After Midcourt and Frontcourt Traditional Movement Patterns

Details

Type

Article

Created At

22 Jan 2023