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KMID : 1195020210170020017
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Archives of Orthopedic and Sports Physical Therapy
2021 Volume.17 No. 2 p.17 ~ p.28
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The Effects of Repeated Hold and Relax Exercise on Frequency, Stiffness and Decrement of Forward Head Posture Syndrome
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Lee Tae-Gu
Yoon Jung-Gyu
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Abstract
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Purpose: This study aimed to investigate the effect of repetitive hold-relax exercise on frequency, stiffnessand decrement in forward head posture syndrome.
Methods: The study was conducted on 16 males and females in their 20s with a head and spine angle of49 degrees or less. Subjects conducted repetitive hold-relaxation exercise once a day for 30 minutes, 3 timesa week, during a total of 4 weeks to compare pre-post effects of the exercise.
Results: There was a significant decrease in muscle properites between pre- and post- repetitive hold-relaxexercise, including tension(F) and stiffness(S), and a significant increase in decrement(D) was observed(P<.05).
Conclusion: It was found that the intervention applying the hold-relaxation exercise improved in muscleproperties in patients with the forward head posture. In the future, it is necessary to select a wide range ofage groups and a large number of subjects to identify aging effects of exercise on muscles.
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KEYWORD
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Hold-relax, Frequency, Stiffness, Decrement, CVA
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