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espanolObjetivos: La gimnasia abdominal hipopresiva (AHG) es un metodo poco estudiado, disenado para entrenar los musculos de la pared abdominal y pisopelvico con bajos niveles de estres. Los objetivos de este estudio fueron comparar los niveles de activacion muscular de la AHG y el ejercicio de puente enprono a traves de electromiografia de superficie (sEMG).Metodos: 20 voluntarios sanos fueron reclutados para medir el recto abdominal (RA), transverso del abdomen/oblicuo interno (Tra/IO), y oblicuoexterno (EO) durante tres ejercicios: Puente en prono (PB), hipopresivo Ortostatico (OH) y Puente hipopresivo (HB). La raiz media cuadraticanormalizada en proporcion al PB (%PB) como linea de base fue utilizada para la comparacion.Resultados: El%PB para el Tra/IO fue de -10.31% y +59.7% durante el OH y HB respectivamente, el RA -77.8% y 19.3% y el EO -39.88% y +9.8%. Todospresentaron diferencias significativas, excepto el Tra/IO durante el OH.Conclusion: Los resultados sugieren que el ejercicio hipopresivo facilita la activacion del Tra/IO de manera similar al ejercicio de puente mientras quesimultaneamente se reducen la actividad del RA y el EO. La AHG es una alternativa valida para activar la musculatura abdominal, aislando al Tra/IO a bajapresion intraabdominal. EnglishObjectives: Abdominal hypopressive gymnastics (AHG) is a little-researched method designed to train the muscles of the abdominal wall and pelvic floorunder low stress. This study’s objective is to compare levels of muscle activation in AHGagainst prone bridge by surface electromyography (sEMG) of theabdominal wall muscles.Methods: Twenty healthy subjects were enrolled to measure the muscle activity of the rectus abdominis (RA), transversus abdominis/internal oblique(Tra/IO), and external oblique (EO) during three exercises: prone bridge (PB), orthostatic hypopressive (OH), and hypopressive bridge (HB). Root meansquare values normalized to the PB (%PB) as a baseline were used to compare the PB against OH and HB.Results: The median PB ratio (%PB) for the Tra/IO showed –10.31% and +59.7% activation during OH and the HB, respectively, whereas the RA showed –77.8% and +19.3% and the EO –39.8% and +9.8%. Significant differences were found for all muscles except the Tra/IO during the OH.Conclusion: This study’s results suggest that hypopressive exercises facilitate the activation of the Tra/IO similar to bridge exercises while simultaneouslyreducing RA and EO activity. This suggests that hypopressive training is a valid alternative for activating the abdominal muscles, isolating the Tra/IO atlow intra-abdominal pressure. portuguesObjetivos: A ginastica abdominal hipopressiva (AHG) e um metodo pouco estudado, projetado para treinar os musculos da parede abdominal e doassoalho pelvico com baixos niveis de estresse. Os objetivos deste estudo foram comparar os niveis de ativacao muscular do AHG e do exercicio em ponteatraves da eletromiografia de superficie (EMGs).Metodos: 20 voluntarios saudaveis foram recrutados para medir o rectus abdominis externo (RA), transverso abdominal/obliquo interno (Tra/IO) eobliquo (EO) durante tres anos: Ponte (PB), Hypopressive ortostatica (OH) e ponte hipopressora (HB). A raiz media quadratica normalizada emproporcao ao PB (% PB) como base foi utilizada para a comparacao.Resultados: %PB para o Tra/IO foi de -10,31% e + 59,7% durante o OH e HB, respectivamente, o RA -77,8% e 19,3% e o EO -39,88% e + 9,8%. Todosapresentaram diferencas significativas, exceto o Tra/IO durante o OH.Conclusao: Os resultados sugerem que o exercicio hipopressivo facilita a ativacao de Tra/OI de forma semelhante ao exercicio em ponte esimultaneamente reduz a atividade de RA e OE. O AHG e uma alternativa valida para ativar os musculos abdominais, isolando o Tra/IO a baixa pressaointra-abdominal.

Surface electromyography comparison of the abdominal hypopressive gymnastics against the prone bridge exercise