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KMID : 1012020150040010011
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Physical Therapy Rehabilitation Science
2015 Volume.4 No. 1 p.11 ~ p.16
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Correlation between lateral abdominal, rectus femoris, and triceps brachii muscle thickness and endurance during prone bridge exercise in healthy young adults
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Lee Kyeong-Bong
Kim Jong-Geun
Park Han-Gi
Kim Ji-Eun
Kim Hye-Sun
Lee Wan-Hee
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Abstract
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Objective: Prone bridge exercise is one of the core strengthening exercise for improving abdominal, lower and upper extremity muscles. In addition, coactivation of the trunk muscles and extremities is important for treatment of low back pain. This study aimed to investigate the correlation between the thickness, cross-sectional area of the target muscle, and endurance during prone bridge exercise. Our hypothesis was that an increase in muscle thickness is positively related to the hold time for the static prone bridge exercise.
Design: Cross-sectional study.
Methods: Fourteen healthy university students (8 men and 6 women) voluntarily participated in the study at Sahmyook University. Hold time for the prone bridge with one and both legs was measured. The resting and contracted thickness of the lateral abdominal, rectus femoris, and triceps muscles was measured using rehabilitative ultrasound imaging. The correlation between muscle thickness and endurance for maintenance time was evaluated.
Results: The prone bridge with both legs and the contraction thickness of the triceps muscle showed a positive correlation (r=0.692, p<0.05); the prone bridge with one leg and the contraction thickness of the internal oblique and transversus abdominis muscles showed a positive correlation (r=0.545, 0.574, p<0.05, 0.05, respectively).
Conclusions: Endurance for the prone bridge exercise with a stable support surface is correlated with the contraction thickness of arm muscles; the prone bridge exercise with an unstable support surface is correlated with the contraction thickness of the deep abdominal muscles.
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KEYWORD
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Abdominal muscles, Physical endurance, Prone position, Ultrasonography
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