Activation of the shoulder and arm muscles during axial load exercises on a stable base of support and on a medicine ball

Oliveira, Anamaria Siriani de; Carvalho, Marcel de Morais; Brum, Daniel Pereira Cardoso de

doi:10.1016/j.jelekin.2006.09.009

Cited by 81 publications

(63 citation statements)

References 22 publications

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“…De Oliveira et al (2008) reported that a mantained one-arm push-up on medicine ball decreased PEC activation when compared with a stable surface. Other studies showed no significant differences for the pectoralis major during stable push-ups in comparison with push-ups on a Swiss ball (Lehman et al, 2006).…”

Section: Discussionmentioning

confidence: 99%

Diferenças na ativação muscular entre a realização de flexões com apoio fixo e com um sistema de suspensão unilateral em forma de V em diferentes alturas

Calatayud¹,

Borreani²,

Colado³

et al. 2014

Motricidade

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This study was designed to analyze upper extremity and core muscle activation performing push-ups under different stability conditions and body positions. Trained university male students (n= 29) performed 3 push-ups each under stable conditions and using suspension device (AirFit Trainer ProTM) with their hands at 2 different heights (i.e., 10 and 65 cm). Push-up speed was controlled using a metronome and the testing order was randomized. The average amplitudes of the electromyographic root mean square of the Triceps Brachii, Upper Trapezius, Anterior Deltoid, Clavicular Pectoralis, Rectus Abdominis, Rectus Femoris, Lumbar Erector Spinae and Gluteus Maximus were recorded and normalized to the maximum voluntary isometric contraction. A repeated-measures analysis of variance with a Bonferroni post hoc test was used to analyze data. Suspended push-ups provided greater activity than the stable condition, except for the Anterior Deltoid and Clavicular Pectoralis. Therefore, suspended push-ups are especially advantageous if the goal of the exercise is targeting the TRICEP, TRAPS and/or core training. Overall, performing push-ups at 65 cm from the floor decreases exercise intensity and muscle activity in comparison with the 10 cm position. Keywords: EMG, suspension training, core, body position RESUMO Este estudo foi realizado com vista a analisar a ativação muscular do tronco e "core" na realização de flexões sob diferentes condições de estabilidade e posições corporais. Estudantes universitários do sexo masculino treinados (n= 29) realizaram três flexões de braços em condições estáveis e em suspensão (AirFit instrutor ProTM) com as mãos em duas alturas diferentes (10 e 65 cm). A velocidade de execução foi controlada usando um metrónomo sendo a ordem dos testes aleatória. A amplitude média da atividade eletromiográfica do Triceps Brachii, Upper Trapezius, Anterior Deltoid, Clavicular Pectoralis, Rectus Abdominis, Rectus Femoris, Lumbar Erector Spinae e Gluteus Maximus foram registados e normalizados tendo por base a contração isométrica máxima. Foi utilizada a análise de variância para medidas repetidas, com o teste de Bonferroni para análise dos dados. Flexões de braços suspensas proporcionam maior atividade muscular do que realizadas em condição de estabilidade, com exceção do Anterior Deltoid e Clavicular Pectoralis. Portanto, flexões de braços suspensas são especialmente vantajosas se o objetivo for o treino dos Triceps Brachii, Upper Trapezius e/ou dos músculos do "core". A realização de flexões a 65 cm do chão diminui a intensidade do exercício e a atividade muscular comparativamente com a posição a 10 cm. Palavras-chave: eletromiografia, treino em suspensão, core, posição corporal Manuscript

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Section: Discussionmentioning

confidence: 99%

Diferenças na ativação muscular entre a realização de flexões com apoio fixo e com um sistema de suspensão unilateral em forma de V em diferentes alturas

Calatayud¹,

Borreani²,

Colado³

et al. 2014

Motricidade

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show abstract

“…A study by de Oliveira et al 9) reported finding no significant differences in SA between push up exercises on stable surfaces and the same exercises on unstable surfaces using gym balls. According to a study by Park and Yoo 10) , PUPEs are more effective than push up exercises for the activation of SA.…”

Section: Discussionmentioning

confidence: 93%

The Effects of Changes in Hand Position on the Electromyographic Activities of the Shoulder Stabilizer Muscles during Push-up Plus Exercises on Unstable Surfaces

Lee

Park

2013

J Phys Ther Sci

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Abstract.[Purpose] The purpose of the present study was to examine the effects of changes in hand position on the electromyographic activities of the shoulder stabilizer muscles during push-up plus exercises (PUPE) on unstable surfaces.[Subjects] The subjects of the present study were normal adults in their 20s (n=15). PUPEs were performed with the hands in the neutral positions (NP), internal rotation positions (IRP), and external rotation positions (ERP) using a sling device for the unstable surface. [Methods] We measured the electromyographic activities of the wrist flexor (WF), the wrist extensor (WE), the biceps brachii (BB), the triceps brachii (TB), the upper trapezius (UT), the lower trapezius (LT), the serratus anterior (SA), and the pectoralis major (PM). The muscle activites were compared and analyzed using electromyography.[Results] When hand position changed, WF activity in NP, and SA activity in ERP, were significantly different from their respective activities in the other positions. [Conclusion] To selectively enhance the electromyographic activity of the SA during PUPE using a sling device as an unstable surface, we consider performance of PUPE in ERP is an effective intervention.

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“…Each contraction was held for 6 sec with maximal effort against manual resistance. The first and last second of the EMG data from each MVIC trial were discarded, and the remaining 4 sec of data were used (De Oliveira et al 2008;Vezina and Hubley-Kozey, 2000). Three repetitions of each test were performed, with a 2 min rest interval between repetitions to minimize muscle fatigue (Vera-Garcia et al, 2010).…”

Section: Data Collectionmentioning

confidence: 99%

“…The mean MVIC value of the three trials was calculated. Each isometric arm-lifting exercise was performed for 6 sec; the first and last second of each exercise trial were discarded, and the remaining 4 sec of EMG data were used (De Oliveira et al, 2008;Vezina and Hubley-Kozey, 2000). The mean of three trials for each arm-lifting exercise was analyzed.…”

Section: Data Collectionmentioning

confidence: 99%

Comparisons of Trunk Muscle Activity During Arm Lift in Prone and Standing Positions With and Without Abdominal Drawing-in Maneuver

Kim¹,

Lim²,

Yi³

et al. 2012

Physical Therapy Korea

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1)The aim of this study is to compare the effect of abdominal drawing-in maneuver (ADIM) on lower trapezius (LT), serratus anterior (SA), and erector spinae (ES) muscle activity during arm lifts in prone and standing positions. Twenty healthy subjects were recruited, and NoraxonTeleMyo 2400T was used to collect electromyographic signals from the LT, SA, and ES muscles. A two-way repeated analysis of variance (ANOVA) used a significance level of .05. If a significant interaction was found, pairwise comparisons were performed with a Bonferroni adjustment (.05/4=.013). The results of the study were as follows: 1) In LT, no significant ADIM by position interaction was found (F1, 19=.356, p=.558). There was a significant main effect for ADIM. LT muscle activity with ADIM was significantly greater compared with muscle activity without ADIM (F1, 19=82.863, p<.001). There was also a significant main effect for position. LT muscle activity in the prone position was greater compared with muscle activity in the standing position (F1, 19=116.401, p<.001). 2) In SA, significant ADIM by position interaction was found (F1, 19=8.687, p=.008). There were significant differences in all pairwise comparisons. The greatest SA muscle activity was observed in the standing position with ADIM. 3) In ES, significant ADIM by position interaction was found (F1, 19=122.473, p<.001). The lowest ES muscle activity was elicited in the standing position with ADIM. Based on these results, ADIM is advocated in the prone position to increase LT muscle activity. In addition, it is concluded that arm lifts in the standing position with ADIM offer the most favorable combination for reducing ES muscle activity and increasing SA muscle activity.[Ki-song Kim, One-bin Lim, Chung-hwi Yi, Heon-seock Cynn.

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Activation of the shoulder and arm muscles during axial load exercises on a stable base of support and on a medicine ball

Cited by 81 publications

References 22 publications

Diferenças na ativação muscular entre a realização de flexões com apoio fixo e com um sistema de suspensão unilateral em forma de V em diferentes alturas

Diferenças na ativação muscular entre a realização de flexões com apoio fixo e com um sistema de suspensão unilateral em forma de V em diferentes alturas

The Effects of Changes in Hand Position on the Electromyographic Activities of the Shoulder Stabilizer Muscles during Push-up Plus Exercises on Unstable Surfaces

Comparisons of Trunk Muscle Activity During Arm Lift in Prone and Standing Positions With and Without Abdominal Drawing-in Maneuver

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