The Effects of Vibration Frequency and Amplitude on Serratus Anterior Muscle Activation During Knee Push-up Plus Exercise in Individuals with Scapular Winging (어깨뼈 익상에 대한 푸쉬업플러스 시 부가적 진동의 주파수와 진폭이 어깨안정근 근활성도에 미치는 영향)

Won-Young Park (박원영); Koo Hyun-mo (구현모)

doi:10.13066/kspm.2018.13.4.67

The Effects of Vibration Frequency and Amplitude on Serratus Anterior Muscle Activation During Knee Push-up Plus Exercise in Individuals with Scapular Winging

Journal of the Korean Society of Physical Medicine
Abbr : J Korean Soc Phys Med
2018, 13(4), pp.67-74
DOI : 10.13066/kspm.2018.13.4.67
Publisher : The Korean Society of Physical Medicine
Research Area : Medicine and Pharmacy > Physical Therapy > Other physical therapy
Received : July 10, 2018
Accepted : August 1, 2018
Published : November 30, 2018

Won-Young Park ¹, Koo Hyun-mo ²

¹양산부산대학교병원
²경성대학교

Accredited

ABSTRACT

PURPOSE: This study was conducted to investigate the effects of vibration frequency and amplitude on scapular winging during the knee push-up plus exercise. METHODS: A total of 26 female subjects with scapular winging were evaluated while performing the knee push-up plus exercise with no vibration, low-frequency/low-amplitude (5 Hz/3 mm) vibration, low-frequency/high-amplitude (5 Hz/9 mm) vibration, high-frequency/low-amplitude (15 Hz/3 mm) vibration, and high-frequency/high-amplitude (15 Hz/9 mm) vibration. The surface EMG of the serratus anterior (SA) muscle was compared between the vibration frequency and amplitude. The EMG amplitude was normalized using the maximal voluntary isometric contraction (MVIC). The statistical significance of the results was evaluated using one-way ANOVA. RESULTS: The SA muscle EMG values increased at low-frequency/low-amplitude vibration and at low-frequency/ high-amplitude vibration compared to no vibration. Furthermore, the same values increased at high-frequency/ low-amplitude vibration and high-frequency/high-amplitude vibration compared to no vibration. In general, a higher vibration frequency and amplitude was associated with higher EMG values of the SA muscle, with particularly greater increases observed during high-frequency/high-amplitude vibration. There was also a significant difference between each condition with a high-frequency/high-amplitude vibration (p<.05). CONCLUSION: This study suggests that there were remarkable clinical effect of the knee push-up plus exercise with vibration, which enhanced the SA muscle activation in persons with scapular winging. Furthermore, applying a higher vibration frequency and amplitude more effectively increased for increasing SA muscle activation.

KEYWORDS

Push-up plus exercise, Scapular winging, Vibration

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Journal of the Korean Society of Physical Medicine 2023 KCI Impact Factor : 0.45

The Effects of Vibration Frequency and Amplitude on Serratus Anterior Muscle Activation During Knee Push-up Plus Exercise in Individuals with Scapular Winging

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* References for papers published after 2023 are currently being built.

Journal of the Korean Society of Physical Medicine 2023 KCI Impact Factor : 0.45

The Effects of Vibration Frequency and Amplitude on Serratus Anterior Muscle Activation During Knee Push-up Plus Exercise in Individuals with Scapular Winging

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