[논문]Comparison of the Upper and Lower Trapezius and Serratus Anterior during Push-up Plus Exercise with and without an Elastic Shoulder Band

Kim, Kyeong-Jin; Woo, Hye-Jin; Hong, Yu-Jeong; Hwang, Young-In

doi:10.13066/kspm.2018.13.3.75

Comparison of the Upper and Lower Trapezius and Serratus Anterior during Push-up Plus Exercise with and without an Elastic Shoulder Band 원문보기

대한물리의학회지 = Journal of the korean society of physical medicine, v.13 no.3, 2018년, pp.75 - 80

Kim, Kyeong-Jin (Department of Physical Therapy, College of Life and Health Science, Hoseo University) , Woo, Hye-Jin (Department of Physical Therapy, College of Life and Health Science, Hoseo University) , Hong, Yu-Jeong (Department of Physical Therapy, College of Life and Health Science, Hoseo University) , Hwang, Young-In (Department of Physical Therapy, College of Life and Health Science, Hoseo University)

Abstract ▼ AI-Helper

PURPOSE: Scapular stability is very important to arm function during activities of daily living. The push-up plus exercise is commonly used to stabilize the shoulder muscles. In the present study, we designed an elastic shoulder band (ESB) that could be used with the push-up plus exercise and studied muscle activities of the serratus anterior (SA) and the lower and the upper trapezius (LT and UT) on stable and unstable support. METHODS: Fifteen healthy people participated in this study. Three muscles were investigated using surface EMG with and without the ESB on stable and unstable support. All subjects performed each trial three times for 7 seconds per set and rested for 30 seconds. Repeated one-way ANOVA was used for statistical analyses. RESULTS: The EMG activity of the SA was significantly different during the push-up plus exercise on stable support with the ESB compared with that on unstable support without the ESB (p.05). CONCLUSION: The ESB was effective for the activity of SA during the push-up plus exercise on stable support; therefore, it has the potential for use by people during push-up plus exercises. However, further studies are required to investigate the rehabilitation tools for patients with shoulder instability.

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가설 설정

The results of our study showed that using the ESB while performing the push-up plus exercise on stable support induced no changes in UT and LT activities, but led to a significant increase in SA activity. We hypothesized that muscle activity would be higher when using the ESB on stable support than unstable support; however, the activity was significantly higher than that on unstable support without the band.

제안 방법

The mean muscle activity was compared during the 5 seconds of contraction excluding the first and last second. In this study, we partially applied the push-up plus exercise, involving scapular retraction, followed by maintenance of isometric contraction. This allows the exercise to be applied even to subjects with less muscle strength, as well as to individuals who require initial rehabilitation.
To normalize the muscle activities of the UT, LT, and SA across different exercise methods, we analyzed muscle activity as the percentage of maximal voluntary isometric contraction (%MVIC), which was calculated by measuring the root mean square (RMS), and compared it to the activity measured at maximal voluntary isometric contraction (MVIC). To determine the location of the MVIC, we used the method described by McLean and Kendal.

대상 데이터

4 kg. All subjects were physically healthy adults, aged 20-29 years (Table 1). Exclusion criteria were individuals with a congenital deformity causing elevated scapulae or inability to depress the scapulae (Sprengel’s deformity), scapular winging, contra-indication for EMG, or laceration.
Before beginning the study, all subjects were informed about the full procedure and all gave their voluntary, written consent. There were 15 subjects in total (nine males and six females). The mean age was 22.

데이터처리

The data were analyzed by repeated one-way ANOVA, with a statistical significance of p<.05.

이론/모형

To normalize the muscle activities of the UT, LT, and SA across different exercise methods, we analyzed muscle activity as the percentage of maximal voluntary isometric contraction (%MVIC), which was calculated by measuring the root mean square (RMS), and compared it to the activity measured at maximal voluntary isometric contraction (MVIC). To determine the location of the MVIC, we used the method described by McLean and Kendal. For the UT, the measurement was taken from the center of the head with the shoulders spread at 90º.

성능/효과

We propose a study in which the ESB is applied to different phases of the exercise in other patients requiring shoulder stabilizing rehabilitation, as well as to the wall-press push-up plus exercises, in which there is no load from the weight of the body. In conclusion, the ESB designed in this study improved SA activity when applied to push-up plus exercises on stable support. Thus, it can potentially be used as an assistive tool for shoulder injury patients requiring initial rehabilitation.
The results of our study showed that using the ESB while performing the push-up plus exercise on stable support induced no changes in UT and LT activities, but led to a significant increase in SA activity. We hypothesized that muscle activity would be higher when using the ESB on stable support than unstable support; however, the activity was significantly higher than that on unstable support without the band.

참고문헌 (24)

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Comparison of the Upper and Lower Trapezius and Serratus Anterior during Push-up Plus Exercise with and without an Elastic Shoulder Band 원문보기

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연합인증

Comparison of the Upper and Lower Trapezius and Serratus Anterior during Push-up Plus Exercise with and without an Elastic Shoulder Band 원문보기

Abstract ▼ AI-Helper

주제어

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가설 설정

제안 방법

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이론/모형

성능/효과

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