Activation of the serratus anterior and upper trapezius in a population with winged and tipped scapulae during push-up-plus and diagonal shoulder-elevation

2015 ◽  
Vol 28 (1) ◽  
pp. 7-12 ◽  
Author(s):  
Se-Yeon Park ◽  
Won-Gyu Yoo
Keyword(s):  
Serratus Anterior ◽  
Upper Trapezius ◽  
Shoulder Elevation ◽  
Push Up

scholarly journals Serratus Anterior and Upper Trapezius Electromyographic Analysis of the Push-Up Plus Exercise: A Systematic Review and Meta-Analysis

2019 ◽  
Vol 54 (11) ◽  
pp. 1156-1164 ◽  
Author(s):  
Fu-Jie Kang ◽  
Hsiang-Ling Ou ◽  
Kun-Ying Lin ◽  
Jiu-Jenq Lin
Keyword(s):  
Confidence Interval ◽  
Lower Extremity ◽  
Meta Analysis ◽  
Flexion Angle ◽  
Emg Activity ◽  
Serratus Anterior ◽  
Upper Trapezius ◽  
Stable Surface ◽  
Shoulder Flexion ◽  
Push Up

Context Whereas the serratus anterior (SA) and the upper trapezius (UT) work as a force couple for scapular motion, weakness of the SA and overactivation of the UT are often present in overhead athletes with shoulder dysfunction. Therefore, researchers addressing an intramuscular imbalance between the SA and UT have focused on finding exercises that target the weak SA and minimally activate the UT. Objective To compare the effectiveness of push-up plus (PUP) exercise variants based on the electromyographic (EMG) activity of the SA and UT. Data Sources A systematic search of PubMed and Scopus between January 1, 2000, and March 31, 2008. Study Selection Studies of PUP exercises that involved EMG analysis. Data Extraction We assessed study quality using the Critical Appraisal Skills Program. For the systematic analysis, the following data were extracted: (1) author, year, and study design; (2) participant characteristics; (3) type of PUP intervention; (4) EMG outcome measures; and (5) main results. For the meta-analysis, the EMG data of the SA and UT were calculated using the mean difference of EMG activity with a 95% confidence interval. Data Synthesis Based on 19 studies with 356 participants, different hand positions (the distance between the hands, shoulder-flexion angle, and elbow-flexion angle) and different lower extremity positions variably affected the activation of the SA and UT during the PUP exercise. Also, when participants performed the PUP on an unstable surface compared with a stable surface, UT activity increased 2.74% (95% confidence interval = 0.07%, 5.41%). Conclusions The standard PUP exercise elicited high EMG activity of the SA. Participants generated higher SA and lower UT EMG activity when they performed the PUP exercise on a stable surface in full elbow extension, with the hands placed shoulder-width apart, shoulder-flexion angles of 110° or 120°, and the ipsilateral lower extremity lifted.

Shoulder Muscle Activation Levels During the Push-Up-Plus Exercise on Stable and Unstable Surfaces

2017 ◽  
Vol 26 (4) ◽  
pp. 281-286 ◽  
Author(s):  
Rafaela J.B. Torres ◽  
André L.T. Pirauá ◽  
Vinícius Y.S. Nascimento ◽  
Priscila S. dos Santos ◽  
Natália B. Beltrão ◽  
...  
Keyword(s):  
Muscle Activation ◽  
Biceps Brachii ◽  
Emg Activity ◽  
Activity Levels ◽  
Triceps Brachii ◽  
Serratus Anterior ◽  
Upper Trapezius ◽  
Unstable Surface ◽  
Hands And Feet ◽  
Push Up

The aim of this study was to evaluate the acute effect of the use of stable and unstable surfaces on electromyography (EMG) activity and coactivation of the scapular and upper-limb muscles during the push-up plus (with full protraction of the scapula). Muscle activation of anterior deltoid (AD), posterior deltoid (PD), pectoralis major, biceps brachii (BB), triceps brachii (TB), upper trapezius (UT), middle trapezius (MT), lower trapezius (LT), and serratus anterior (SA) levels and coactivation index were determined by surface EMG in 20 young men during push-up plus performed on a stable and unstable condition (2 unstable devices applied to hands and feet). The paired t test and Cohen d were used for statistical analysis. The results showed that during the execution of the push-up plus on the unstable surface an increased EMG activity of the scapular stabilizing muscles (SA, MT, and LT) was observed, while AD and PD muscles showed a decrease. During exercise execution on the unstable surface there was a higher index of coactivation of the scapular muscles (SA–MT and UT–LT pairs). No significant differences were observed in TB–BB and AD–PD pairs. These results suggest that the push-up-plus exercise associated with unstable surfaces produced greater EMG activity levels and coactivation index of the scapular stabilizing muscle. On the other hand, the use of an unstable surface does not promote the same effect for the shoulder muscles.

scholarly journals Comparison of Activity in Scapular Stabilizing Muscles during Knee Push-Up Plus and Modified Vojta’s 3-Point Support Exercises

Healthcare ◽  
2021 ◽  
Vol 9 (12) ◽  
pp. 1636
Author(s):  
Hyoungwon Lim
Keyword(s):  
Muscle Activity ◽  
Surface Emg ◽  
Emg Activity ◽  
Shoulder Injury ◽  
Serratus Anterior ◽  
Point Support ◽  
Upper Trapezius ◽  
The Difference ◽  
Lower Trapezius ◽  
Push Up

Selective serratus anterior (SA) strengthening without compensatory movement of the shoulder stabilizers is essential for shoulder stability and functional movement without causing shoulder injury and dysfunction. The purpose of this study was to compare electromyographic (EMG) activity between the SA, upper trapezius (UT), lower trapezius (LT), and pectoralis major (PM) during the knee push-up plus (KPUP) and modified Vojta’s 3-point support (MV3PS) exercises. Scapular stabilizer muscle activity (UT, LT, SA, and PM) was investigated during the KPUP and MV3PS exercises in 40 healthy adults (19 males, 21 females) using surface EMG. Muscle activity of the SA was significantly higher during the MV3PS exercise than during the KPUP (p < 0.05). However, muscle activity in the PM was significantly lower during the MV3PS exercise (p < 0.05). In addition, the LT and UT showed less muscle activity during the MV3PS exercise, although the difference was not statistically significant (p > 0.05). These findings suggest that the MV3PS exercise better activates the SA than KPUP.

Effects of Push-Up Exercise Phase and Surface Stability on Activation of the Scapulothoracic Musculature

2013 ◽  
Vol 18 (4) ◽  
pp. 34-38 ◽  
Author(s):  
Se-yeon Park ◽  
Won-gyu Yoo
Keyword(s):  
Muscle Activation ◽  
Support Surface ◽  
Triceps Brachii ◽  
Serratus Anterior ◽  
Surface Stability ◽  
Upper Trapezius ◽  
Unstable Support ◽  
Support Surfaces ◽  
Lower Trapezius ◽  
Push Up

Objective:The purpose of this study was to measure muscle activation during ascending and descending phases of the push-up exercise on both stable and unstable support surfaces.Participants:Fourteen asymptomatic male amateur badminton players. During push-up exercises on stable and unstable bases, muscle activation measurements were collected with phase divisions (ascending and descending phase).Methods:Electromyography (EMG) was utilized to measure activation of the upper trapezius (UT) and lower trapezius (LT), middle serratus anterior (MSA) and lower serratus anterior (LSA), pectoralis major (PM), and triceps brachii (TB) muscles.Results:An unstable support surface produced significantly greater activation of the UT, LT, LSA, and PM muscles than a stable support surface (p < 0.05). The MSA, LSA, TB, and PM muscles demonstrated greater activation during the ascending phase than the descending phase of the push-up exercise (p < 0.05).Conclusions:The unstable support surface appeared to produce relatively greater activation of the LSA than that of the MSA. The descending phase of the push-up did not demonstrate a higher level of activation for any of the muscles tested.

Relative Balance of Serratus Anterior and Upper Trapezius Muscle Activity during Push-Up Exercises

2004 ◽  
Vol 32 (2) ◽  
pp. 484-493 ◽  
Author(s):  
Paula M. Ludewig ◽  
Molly S. Hoff ◽  
Erin E. Osowski ◽  
Shane A. Meschke ◽  
Peter J. Rundquist
Keyword(s):  
Muscle Activity ◽  
Trapezius Muscle ◽  
Serratus Anterior ◽  
Upper Trapezius ◽  
Upper Trapezius Muscle ◽  
Push Up

Scapulothoracic Muscle Activation on Stable and Unstable Support Surfaces

2013 ◽  
Vol 18 (1) ◽  
pp. 25-29 ◽  
Author(s):  
Se-yeon Park ◽  
Won-gyu Yoo ◽  
Hun Kwon ◽  
Dong-hyun Kim ◽  
Si-eun Lee ◽  
...  
Keyword(s):  
Muscle Activation ◽  
Center Of Pressure ◽  
Support Surface ◽  
Triceps Brachii ◽  
Serratus Anterior ◽  
Upper Trapezius ◽  
Unstable Support ◽  
Support Surfaces ◽  
Lower Trapezius ◽  
Push Up

Activation of the upper trapezius, lower trapezius, serratus anterior, and triceps brachii muscles was measured, while center of pressure excursion beneath the hands was simultaneously monitored, during the performance of a push-up exercise on both a stable and an unstable base of support. The activation levels of all muscles were significantly greater for the unstable support surface when compared to those for a stable support surface (p < 0.05). A negative correlation was found between activation of the serriatus anterior muscle and center of pressure excursion (r = -0.64, p < 0.05). Performance of the push-up exercise on an unstable support surface appears to elicit greater muscle activation than a standard push-up exercise performed on a stable support surface.

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