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Assessment of electromyographic acti...

Miller, William M.

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Assessment of electromyographic activity during a TRX RTM split-squat and traditional split squat.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Assessment of electromyographic activity during a TRX RTM split-squat and traditional split squat./
作者:	Miller, William M.
面頁冊數:	55 p.
附註:	Source: Masters Abstracts International, Volume: 55-03.
Contained By:	Masters Abstracts International55-03(E).
標題:	Kinesiology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10009046
ISBN:	9781339457246

Assessment of electromyographic activity during a TRX RTM split-squat and traditional split squat.
Miller, William M.

Assessment of electromyographic activity during a TRX RTM split-squat and traditional split squat. - 55 p.

Source: Masters Abstracts International, Volume: 55-03.

Thesis (M.S.)--Southeast Missouri State University, 2015.

To date, traditional resistance training (TRT) programs incorporate a minute amount of instability training (IT). Typically, TRT programs are periodized for the purpose of achieving muscular strength/hypertrophy and/or endurance by following collective guidelines set forth by the American College of Sports Medicine and/or the National Strength and Conditioning Association et cetera (Kaminsky & Leonard, 2006; Pescatello, 2014). Over several decades TRT has transformed and taken on new and unusual concepts (e.g., TRXRTM, PilatesRTM, P90XRTM, InsanityRTM). By adding in components which are considered to be unstable (i.e., single-leg hops, single-leg squats) using the TRXRTM trainer or InsanityRTM IT has been shown to provide benefit to a TRT program. However, very little research has been completed investigating the effects of the new modalities of TRT, especially TRXRTM. Additionally, there has been only a few studies which investigated the short-term effects (e.g., 6-8 weeks) of TRT. PURPOSE: Therefore, the purpose of the study is to determine if muscle electrical activity (EMG) will differ while performing a bodyweight split-squat while using an instability device, the TRXRTM Suspension Trainer, as compared to performing a bodyweight split-squat in a stable environment, without an external load present. METHODS: Twenty non-athlete (10 male; 10 female) experienced resistance and/or aerobically trained individuals participated in the investigation (See Table 2). The study consisted of three sessions including two variations of bodyweight split-squats (i.e., TRXRTM, traditional) and a training session to acclimatize the participants. Participants were asked to not exercise the same day prior to testing. The training session consisted of only biomechanical analysis of both split-squat variations to ensure proper form was achieved, followed by electromyographic (EMG) analysis once the participant understood and achieved proper form. The TRXRTM split-squat was performed by placing the rear foot within the foot cradle of the TRXRTM strap, while the traditional split-squat required the participant to place their rear foot on a stable bench. Both split-squats had participants' rear foot approximately 16 inches from the floor. Each session was separated by one minute of rest and each split-squat required the participant to perform three correct repetitions. EMG analysis was performed to assess the muscle activity of the gluteus maximus (GMa) and rectus femoris (RF). Paired samples t-tests were performed to compare the EMG data of the GMa and RF of males and females for both the TRXRTM and traditional split-squat. Statistical analysis were performed using IBMRTM SPSS version 23. Additional detail is provided in the methodology section. RESULTS: Paired samples t-tests revealed significantly higher EMG activity occurred in the GMa during the TRXRTM split-squat compared to the traditional split-squat. No other significant differences in the muscle activity of the GMa or RF occurred. CONCLUSIONS: The study purpose was to determine if a TRXRTM split-squat would increase muscle activity in the GMa or RF compared to the traditional split-squat because of the higher degree of instability involved. Significant results were found only for the EMG of the GMa during the TRXRTM split-squat. The TRXRTM trainer has not been incorporated in many studies, thus should be an increased focus in the future. Mainly, because it offers increased difficulty without adding a large external resistance, which is a benefit for the athlete and the general population due to the decreased risk of injury. Keywords: TRXRTM, electromyography, instability training, split-squat.

ISBN: 9781339457246Subjects--Topical Terms:

517627
Kinesiology.

Assessment of electromyographic activity during a TRX RTM split-squat and traditional split squat.
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502 $a Thesis (M.S.)--Southeast Missouri State University, 2015.
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