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腹部肌肉激活：一项关于Sahrmann五级核心稳定性测试的肌电图研究。

Abdominal muscle activation: An EMG study of the Sahrmann five-level core stability test.

作者信息

Chan Ebby Waqqash Mohamad, Hamid Mohamad Shariff A, Nadzalan Ali Md, Hafiz Eliza

机构信息

Centre for Sport & Exercise Sciences, University of Malaya, 50603 Kuala Lumpur, Malaysia.

Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia.

出版信息

Hong Kong Physiother J. 2020 Dec;40(2):89-97. doi: 10.1142/S1013702520500080. Epub 2020 Mar 10.

DOI:10.1142/S1013702520500080
PMID:33005073
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7526057/
Abstract

BACKGROUND

Sahrmann five-level core stability test protocol has been used to evaluate the ability of the core muscles to stabilize the spine. However, validation studies on the Sahrmann protocol are limited.

OBJECTIVE

The purpose of this study was to compare the different levels of Sahrmann five-level core stability (levels 1-5) on the muscle activity of rectus abdominis (RA), external oblique (EO), and transverse abdominis/internal oblique (TrA/IO).

METHODS

Twenty-two asymptomatic male participants aged 21.3 .59 years were recruited. Participants were instructed to perform maximum voluntary contraction (MVC) and five levels of Sahrmann five-level core stability test guided with a pressure biofeedback unit (PBU). The surface electromyography (EMG) data of each muscle during five levels of Sahrmann five-level core stability test were normalized as a percentage of MVC.

RESULTS

Results showed significant differences in the normalized EMGs of RA [ (4) = 64.80, .001], EO [ (4) = 58.11, .001], and TrA/IO [ (4) = 56.00, .001] between the five levels of Sahrmann five-level core stability test. Post-hoc analysis revealed Sahrmann levels 5 and 3 have significantly higher abdominal EMG signals than levels 4, 2, and 1 ( .001).

CONCLUSION

In conclusion, the Sahrmann five-level core stability test differs according to the level of Sahrmann tests. Significantly higher abdominal muscle activities were observed during levels 3 and 5. Therefore, the classification exchange in levels 3 and 4 of the Sahrmann five-level core stability test should be reconsidered in the future.

摘要

背景

Sahrmann五级核心稳定性测试方案已被用于评估核心肌群稳定脊柱的能力。然而，关于Sahrmann方案的验证研究有限。

目的

本研究的目的是比较Sahrmann五级核心稳定性（1-5级）对腹直肌（RA）、腹外斜肌（EO）和腹横肌/腹内斜肌（TrA/IO）肌肉活动的不同影响。

方法

招募了22名年龄在21.3±5.59岁的无症状男性参与者。参与者被要求进行最大自主收缩（MVC）以及在压力生物反馈单元（PBU）引导下进行Sahrmann五级核心稳定性测试的五个级别。Sahrmann五级核心稳定性测试五个级别过程中各肌肉的表面肌电图（EMG）数据被归一化为MVC的百分比。

结果

结果显示，Sahrmann五级核心稳定性测试的五个级别之间，RA的归一化EMG[F(4)=64.80，P<.001]、EO的归一化EMG[F(4)=58.11，P<.001]和TrA/IO的归一化EMG[F(4)=56.00，P<.001]存在显著差异。事后分析显示，Sahrmann 5级和3级的腹部EMG信号显著高于4级、2级和1级（P<.001）。

结论

总之，Sahrmann五级核心稳定性测试因Sahrmann测试级别而异。在3级和5级观察到显著更高的腹部肌肉活动。因此，未来应重新考虑Sahrmann五级核心稳定性测试3级和4级的分类互换。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/276e/7526057/0ab953b2221d/hkpj-40-089-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/276e/7526057/5da0d00f8566/hkpj-40-089-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/276e/7526057/54dd1a840c32/hkpj-40-089-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/276e/7526057/0ab953b2221d/hkpj-40-089-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/276e/7526057/5da0d00f8566/hkpj-40-089-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/276e/7526057/54dd1a840c32/hkpj-40-089-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/276e/7526057/0ab953b2221d/hkpj-40-089-g003.jpg

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