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KMID : 1142420170150010051
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PNF and Movement
2017 Volume.15 No. 1 p.51 ~ p.56
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Effects of the PNF Stabilization Technique for the Hip Joint and the Bridging Exercise on the Trunk Stabilizer Muscles in Healthy Adults
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Kim Yong-Hun
Jung Ju-Hyeon
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Abstract
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Purpose: The purpose of this study was to examine the effects of the PNF stabilization technique for the hip joint and the bridging exercise on the trunk stabilizer muscles in healthy adults.
Methods: Twenty-eight healthy adults were randomly allocated to either a PNF stabilization exercise group (n = 12) or a bridging exercise group (n = 16). The outcome measures included the contraction thickness ratio in the transversus abdominis (TrA), internal oblique (IO), and external oblique (EO), and the TrA lateral slide was assessed during the abdominal drawing-in maneuver using b-mode ultrasound. The researcher measured the abdominal muscle thickness of each participant before the therapist began the intervention and at the moment that the intervention was applied. Between-group comparisons were performed using the Mann-Whitney U test. The level of statistical significance was set at 0.05.
Results: The PNF intervention program showed a significant increase in the trunk stabilizer muscle. The percentage of change in the TrA thickness showed a significant interaction between intervention. However, there were no significant differences in the IO and EO between the two groups.
Conclusion: The PNF stabilization technique for the hip joint can be used effectively to improve the IO and TrA muscles in healthy adults.
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KEYWORD
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PNF stabilization technique, Bridging exercise, Trunk stabilizer muscle, Abdominal muscle thickness
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