Purpose: This study investigated the influence of muscle activity of the trunk and lower limb during a bridge exercise using a unstable surface and during one-legged bridge hip abduction in healthy adults. Methods: Nineteen healthy participated in this study (12 males and 7 females, aged $29.0{...
Purpose: This study investigated the influence of muscle activity of the trunk and lower limb during a bridge exercise using a unstable surface and during one-legged bridge hip abduction in healthy adults. Methods: Nineteen healthy participated in this study (12 males and 7 females, aged $29.0{\pm}5.0$). The participants were instructed to perform the bridge exercises under six different conditions. Trunk and lower limb muscle activation, such as the erector spinae (ES), gluteus maximus (GM), external oblique (EO), and internal oblique (IO), was measured using surface electromyography. The six different bridge exercise conditions were conducted randomly. Data analysis was performed by using the mean scores after three trials of each condition. Results: On the ipsilateral side, muscle activity of the IO, EO, and ES during the hip abduction condition (Single-legged hip abduction bridge, Bridge with use of a ball and single-leg hip abduction, Bridge with use of a sling and single-leg hip abduction) was significantly higher than those during Unstable surface (Bridge with use of a ball, Bridge with use of a sling) and General bridging exercise (p<0.05). In the contralateral side, activities of the GM and EO during Single-legged hip abduction bridge, Bridge with use of a ball and single-leg hip abduction and Bridge with use of a sling and single-leg hip abduction was significantly higher than that during Bridge with use of a ball, Bridge with use of a sling and General bridging exercise (p<0.05). Conclusion: This study demonstrated that performing a bridge exercise with use of a sling and single-leg hip abduction had an effect on trunk and gluteal muscle activation. The findings of this study suggest that this training method can be clinically effective for unilateral training and for patients with hemiplegia.
Purpose: This study investigated the influence of muscle activity of the trunk and lower limb during a bridge exercise using a unstable surface and during one-legged bridge hip abduction in healthy adults. Methods: Nineteen healthy participated in this study (12 males and 7 females, aged $29.0{\pm}5.0$). The participants were instructed to perform the bridge exercises under six different conditions. Trunk and lower limb muscle activation, such as the erector spinae (ES), gluteus maximus (GM), external oblique (EO), and internal oblique (IO), was measured using surface electromyography. The six different bridge exercise conditions were conducted randomly. Data analysis was performed by using the mean scores after three trials of each condition. Results: On the ipsilateral side, muscle activity of the IO, EO, and ES during the hip abduction condition (Single-legged hip abduction bridge, Bridge with use of a ball and single-leg hip abduction, Bridge with use of a sling and single-leg hip abduction) was significantly higher than those during Unstable surface (Bridge with use of a ball, Bridge with use of a sling) and General bridging exercise (p<0.05). In the contralateral side, activities of the GM and EO during Single-legged hip abduction bridge, Bridge with use of a ball and single-leg hip abduction and Bridge with use of a sling and single-leg hip abduction was significantly higher than that during Bridge with use of a ball, Bridge with use of a sling and General bridging exercise (p<0.05). Conclusion: This study demonstrated that performing a bridge exercise with use of a sling and single-leg hip abduction had an effect on trunk and gluteal muscle activation. The findings of this study suggest that this training method can be clinically effective for unilateral training and for patients with hemiplegia.
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문제 정의
Therefore, the purpose of this study was to investigate the effects of bridge exercise performance on an unstable surface and with the inclusion of hip abduction on trunk and gluteal muscle activity, as well as to discover which type of bridge exercise would most efficiently activate the gluteal muscles in healthy adults.
This study investigated the effects of performing general bridge exercises and bridge exercises using an unstable surface as well as hip abduction on trunk and lower extremity muscle activation by comparing the muscle activity of the ES, EO, IO, and GM using surface EMG in healthy adults.
제안 방법
Nineteen subjects have voluntarily agreed to participate in the study after being informed of the purpose, methods, use of results of the study. In this study, healthy adults were connected to a surface electromyography (EMG) to measure the appropriate muscle activation patterns during the performance of a general bridge, single-legged hip abduction bridge, bridge with use of a ball, bridge with use of a ball and single-leg hip abduction, bridge with use of a sling, bridge with use of a sling and single-leg hip abduction in random order.
Prior to the experiment, the maximum voluntary isometric contraction (MVIC) data collected from the ES, EO, IO, and GM was conducted for 5 seconds each. The MVIC of the ES was assessed with the subject lying in prone position and raising the trunk off the treatment table while a therapist stabilized the lower extremities.
2 Subjects performed each bridge condition three times, and were provided with a 1 minute rest period between each condition. The bridge exercises and measurements were performed in random order.
데이터처리
Descriptive statistics was used to analyze the general characteristics of subjects, and a one-way repeated measure ANOVA was used to investigate for the effects of various bridge exercise conditions on trunk and lower extremity muscle activity. To examine for the differences in trunk and lower extremity muscle activity, data was analyzed using the least significant difference (LSD).
성능/효과
For the contralateral EO, the greatest amount of muscle activity was observed during the bridge with use of a sling and single-leg hip abduction condition, and was significantly greater compared with the general bridge, single-leg hip abduction, bridge with use of a ball, bridge with use of a sling conditions (p<0.05).
This study demonstrated that performing a bridge exercise with use of a sling and single-leg hip abduction had an effect on trunk and gluteal muscle activation. The findings of this study suggest that this training method can be clinically effective for unilateral training and for patients with hemiplegia.
This study demonstrated that performing a bridge exercise with use of a sling and single-leg hip abduction had an effect on trunk and gluteal muscle activation. The findings of this study suggest that this training method can be clinically effective for unilateral training and for patients with hemiplegia.
This study has confirmed that there was a significant increase in muscle activity of the ipsilateral ES, EO, and IO during the performance of a bridge with use of a sling and single-leg hip abduction compared with a single-leg hip abduction bridge and bridge with use of a sling conditions. Bolgla and Uhl22 compared three closed-chain and three open-chain exercises and reported that there was a greater increase in muscle activation during a closed-chain hip abduction exercise in a side-lying position (p<0.
후속연구
Due to having to perform 6 different bride exercises, it is possible that a learning effect could have occurred. In addition, further studies that are not cross-sectional, and that will examine changes in muscle thickness, strength, and fatigue factors through strength training and its effects on trunk and lower extremity muscles are necessary.
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