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

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11510%2F17%3A10373636" target="_blank" >RIV/00216208:11510/17:10373636 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.2174/1875399X01710010107" target="_blank" >https://doi.org/10.2174/1875399X01710010107</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.2174/1875399X01710010107" target="_blank" >10.2174/1875399X01710010107</a>

Jazyk výsledku

angličtina

Název v původním jazyce

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

Popis výsledku v původním jazyce

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.

Název v anglickém jazyce

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

Popis výsledku anglicky

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.

Druh

J_SC - Článek v periodiku v databázi SCOPUS

CEP obor

—

OECD FORD obor

50901 - Other social sciences

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Open Sports Sciences Journal

ISSN

1875-399X

e-ISSN

—

Svazek periodika

10

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

7

Strana od-do

107-113

Kód UT WoS článku

—

EID výsledku v databázi Scopus

2-s2.0-85043592637