Scapular kinematic and shoulder muscle activity alterations after serratus anterior muscle fatigue

Umehara, Jun; Kusano, Ken; Nakamura, Masatoshi; Morishita, Katsuyuki; Nishishita, Satoru; Tanaka, Hiroki; Shimizu, Itsuroh; Ichihashi, Noriaki

doi:10.1016/j.jse.2018.01.009

Cited by 18 publications

(10 citation statements)

References 43 publications

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“…The higher activity of the Pectoralis Major is consistent with the greater abduction moment required during forward flexion. Furthermore, more scapulothoracic internal rotation is known to occur in healthy shoulders during shoulder flexionextension than abduction-adduction [16], while external rotation of the scapula increases following Serratus Anterior fatigue [38]. A higher activity of the Trapezius Ascendens and Serratus Anterior during shoulder flexion-extension is therefore consistent with the requirements for more internal scapula rotation and joint stability.…”

Section: Discussionmentioning

confidence: 64%

Superficial Shoulder Muscle Synergy Analysis in Facioscapulohumeral Dystrophy During Humeral Elevation Tasks

Essers

Peters

Meijer

et al. 2019

IEEE Trans. Neural Syst. Rehabil. Eng.

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Section: Discussionmentioning

confidence: 64%

Superficial Shoulder Muscle Synergy Analysis in Facioscapulohumeral Dystrophy During Humeral Elevation Tasks

Essers

Peters

Meijer

et al. 2019

IEEE Trans. Neural Syst. Rehabil. Eng.

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“…Several articles were found to have identified the effect of fatigue on scapular kinematic alterations during repeated movements (39,40); nevertheless, none of the studies compared scapular kinematics between patients with SIS and asymptomatic subjects under these circumstances. Repeated movement and examining the kinematics of the scapula in fatigue conditions may present the betweengroup differences obviously, which is suggested for future studies.…”

Section: Discussionmentioning

confidence: 99%

Scapular Kinematic During Arm Elevation in Shoulder Impingement Syndrome Using Motion Analysis System: A Systematic Review and Meta-analysis

Hajibashi

Amiri

Sarrafzadeh

et al. 2022

Middle East J Rehabil Health Stud

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Context: With a key role in normal shoulder function, scapular kinematics have been investigated in shoulder impingement syndrome (SIS). Objectives: This systematic review aimed at determining scapular kinematic patterns in patients with SIS compared to in asymptomatic individuals. Data Sources: Databases such as PubMed, Scopus, Web of Science, Ovid, Embase and PEDRO were searched from January 1995 to June 2021. Study Selection: Articles in English published in peer-reviewed journals and using motion analysis systems to compare scapular kinematics between patients with SIS and asymptomatic subjects during arm elevation were included. Data Extraction: A modified Downs and Black checklist was used to assess the risk of bias of the included studies. A random-effects model was employed to perform a meta-analysis. Results: Nine out of 1650 screened abstracts were included for data extraction. Scapular upward rotation significantly decreased during arm elevation in SIS (SMD = -0.13, 95% CI = -0.23 to -0.02) with a low effect size (I2 = 46%). No differences were observed in scapular posterior tilt (SMD = -0.07, 95% CI = -0.18 to 0.03) and external rotation (SMD = 0.02, 95% CI = -0.06 to 0.09) between patients with SIS and asymptomatic subjects. Conclusions: This review revealed that except for scapular upward rotation, scapular movement was generally insignificantly different between the subjects with and without SIS during arm elevation. Between-group differences might have been overlooked as a result of the high risk of bias in the included studies. The high-quality studies addressing confounders are required to provide a definitive conclusion on the relationship between SIS and scapular kinematics.

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“…Esta condición, que también ha sido observada anteriormente, sugiere que el serrato anterior se activa para controlar tanto concéntrica como excéntricamente la rotación superior de la escápula, independiente del plano de elevación del brazo 1,21 . Umehara et al 32 , identificaron que la fatiga del serrato anterior aumenta la actividad del manguito rotador y de los otros músculos que controlan el movimiento escapular 32 . Por cuanto, mantener la correcta actividad de este músculo, podría reducir el riesgo de lesiones asociadas a trastornos musculares del hombro.…”

Section: Discussionunclassified

Activación de los músculos escapulohumerales superficiales en tres planos distintos de elevación del hombro

et al. 2021

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Objetivo: Comparar la actividad electromiográfica de la musculatura superficial escapulohumeral entre los tres planos de elevación de hombro: sagital, escapular y frontal. Métodos: Se realizó un estudio observacional, analítico, de corte transversal. Trece participantes realizaron una elevación y descenso de hombro en los tres planos. Durante estas elevaciones, se midió la cinemática del hombro con un sistema de captura de movimiento 3D. Sincrónicamente, se registró la actividad electromiográfica del músculo serrato anterior, de las tres porciones del músculo deltoides (anterior, medio y posterior) y trapecio (superior, medio e inferior). Se comparó la actividad muscular entre los tres planos a través de una prueba de Friedman o Skillings-Mack, según ausencia o presencia de datos perdidos. Resultados: Las porciones anterior y posterior del músculo deltoides (anterior y posterior) y el trapecio medio mostraron diferencias entre los planos de elevación (p<0.05). La porción media del deltoides se activó más en el plano frontal, al inicio de la elevación (p<0.05). Los demás músculos no mostraron diferencias entre los distintos planos. Conclusión: Los músculos deltoides anterior y posterior y trapecio medio modifican su activación en la elevación de hombro en distintos planos. Esta información puede orientar la selectividad muscular de ejercicios utilizados en la rehabilitación de la articulación escapulohumeral.

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Scapular kinematic and shoulder muscle activity alterations after serratus anterior muscle fatigue

Cited by 18 publications

References 43 publications

Superficial Shoulder Muscle Synergy Analysis in Facioscapulohumeral Dystrophy During Humeral Elevation Tasks

Superficial Shoulder Muscle Synergy Analysis in Facioscapulohumeral Dystrophy During Humeral Elevation Tasks

Scapular Kinematic During Arm Elevation in Shoulder Impingement Syndrome Using Motion Analysis System: A Systematic Review and Meta-analysis

Activación de los músculos escapulohumerales superficiales en tres planos distintos de elevación del hombro

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