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The immediate effectiveness of mobile game-based instruction with an extracorporeal biofeedback device for an exercise program to improve pelvic floor muscle contraction in healthy subjects

Physical Therapy Rehabilitation Science 2020년 9권 3호 p.209 ~ 214
강효정, 김미화, 황지혜, 이완희,
소속 상세정보
강효정 ( Kang Hyo-Jeong ) - Cheongam College Department of Physical Therapy
김미화 ( Kim Mi-Hwa ) - Cheongam College Department of Physical Therapy
황지혜 ( Hwang Ji-Hye ) - Sungkyunkwan University School of Medicine Samsung Medical Center Department of Physical and Rehabilitation Medicine
이완희 ( Lee Wan-Hee ) - Sahmyook University College of Health Science and Social Welfare Department of Physical Therapy

Abstract


Objective: Using biofeedback in instructing pelvic floor muscle (PFM) activation is a great method to provide information on muscle contraction. This study aimed to determine the immediate effectiveness of a mobile game-based instruction with an extracorporeal biofeedback device (EBD) to improve PFM contraction in healthy subjects.

Design: Cross-sectional study.

Methods: Sixteen healthy subjects (4 men and 12 nulliparous women; age, 31±5 years) were enrolled. The subjects were randomly categorized into two groups, those who were to receive instructions on how to contract the PFM by using the EBD (n=7) and those who were to undergo a transabdominal ultrasonography (TAUS; n=9) with biofeedback. PFM function was measured as the displacement (mm) of PFM elevation by using the TAUS before and after the instructions in each group.

Results: The EBD and TAUS groups showed a significant increase in the displacement of PFM elevation after the instructions from 5.93±4.03 mm to 7.62±3.77 mm and from 5.27±3.39 mm to 7.47±2.79 mm, respectively (p<0.05). No significant differences were found between the two groups.

Conclusions: The results of this study indicated that instructions for PFM contraction using the EBD and TAUS showed an immediate effect; however, no significant difference in effectiveness was observed between the two instruction methods. Therefore, not only can the TAUS method be used but the EBD method can also be used as a PFM instruction method for noninvasive procedures. However, further studies are needed to demonstrate the effectiveness of training and exercise on larger sample sizes that includes patient populations with PFM dysfunction.

키워드

Extracorporeal biofeedback; Game-based education; Pelvic floor muscle; Transabdominal ultrasonography

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