核心稳定性训练干预前交叉韧带重建术后动态平衡及表面肌电的效果

doi:10.3969/j.issn.1006-9771.2023.08.003

Abstract

Abstract:

Objective To explore the effect of core stability training on dynamic balance and surface electromyography (sEMG) after anterior cruciate ligament reconstruction (ACLR), and to analyze the correlation between balance index and sEMG.
Methods From March to December, 2022, 32 patients with ACLR in Yantai Affiliated Hospital of Binzhou Medical University were randomly divided into control group (n = 16) and experimental group (n = 16). The control group accepted routine rehabilitation treatment, and the experimental group added core stability training, for six weeks. They were evaluated with American Hospital for Special Surgery Knee Score (HSS) and International Knee Documentation Committee Knee Score (IKDC), and the dynamic balance function and sEMG were measured before and after treatment, and the correlation between dynamic balance index and root mean square (RMS) of sEMG was analyzed.
Results After treatment, the scores of HSS and IKDC increased significantly in both groups (|Z| > 3.526, |t| > 63.544, P < 0.001), and were better in the experimental group than in the control group (Z = -2.392, t = 2.650, P < 0.05); the length of gait line and single support line increased significantly, the medial-lateral displacement displacement decreased (|t| > 2.368, Z = -3.516, P < 0.05), and they were better in the experimental group than in the control group (|t| > 2.497, Z = -3.091, P < 0.05); the RMS of gluteus maximus and gluteus medius increased in the experimental group (t = -5.900, Z = -2.741, P < 0.01), and were better than those in the control group (t = 3.930, Z = -3.260, P < 0.01). After treatment, the RMS of gluteus maximus and gluteus medius in both groups were positively correlated with gait line length and single support line length, and were negatively correlated with medial-lateral displacement (|r| > 0.502, P < 0.01).
Conclusion Core stability training could significantly improve knee joint function and dynamic balance, and enhance the activation of gluteus maximus and gluteus medius. Dynamic balance is highly correlated with sEMG.

Key words: anterior cruciate ligament reconstruction, core stability training, dynamic balance, foot, center of pressure, surface electromyography

CLC Number:

R686.5

MA Shengnan, KE Jingyue, DONG Hongming, LI Jianping, ZHANG Honghao, LIU Chao, SHEN Shuang, LI Guqiang. Effect of core stability training on dynamic balance and surface electromyography after anterior cruciate ligament reconstruction[J]. 《Chinese Journal of Rehabilitation Theory and Practice》, 2023, 29(8): 882-889.

Figures/Tables 10

References 36

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组别	n	性别/n		年龄/岁	体质量指数/(kg•m^-2)
组别	n	男	女	年龄/岁	体质量指数/(kg•m^-2)
对照组	16	4	12	42.75±10.33	24.93±2.65
试验组	16	6	10	40.56±10.80	25.73±2.14
χ²/t值		0.582		-0.586	0.944
P值		0.446		0.562	0.353

组别	n	干预前	干预后	Z值	P值
对照组	16	46.00(44.25,47.00)	94.00(86.00,94.00)	-3.526	< 0.001
试验组	16	45.00(44.25,46.00)	96.00(94.00,96.00)	-3.538	< 0.001
Z值		-1.286	-2.392
P值		0.198	0.017

组别	n	干预前	干预后	t值	P值
对照组	16	42.19±2.26	83.56±1.79	-63.544	< 0.001
试验组	16	42.88±3.03	86.06±1.39	-66.553	< 0.001
t值		0.728	2.650
P值		0.472	0.013

组别	n	干预前	干预后	t值	P值
对照组	16	158.14±27.15	173.19±26.20	-2.368	0.032
试验组	16	163.73±24.15	192.56±16.63	-5.782	< 0.001
t值		0.614	2.497
P值		0.544	0.018

组别	n	干预前	干预后	Z值	P值
对照组	16	25.25(9.98,44.40)	55.25(36.38,71.80)	-3.516	< 0.001
试验组	16	32.95(17.78,52.08)	75.85(71.60,86.95)	-3.516	< 0.001
Z值		-1.281	-3.091
P值		0.200	0.002

Effect of core stability training on dynamic balance and surface electromyography after anterior cruciate ligament reconstruction

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组别	n	干预前	干预后	t值	P值
对照组	16	33.19±6.91	21.85±9.01	5.318	< 0.001
试验组	16	34.01±8.38	11.93±4.78	9.580	< 0.001
t值		0.302	-3.889
P值		0.765	0.001

组别	n	干预前	干预后	t值	P值
对照组	16	72.54±18.69	76.34±19.13	-1.387	0.186
试验组	16	70.08±13.91	108.81±26.95	-5.900	< 0.001
t值		-0.422	3.930
P值		0.676	< 0.001

组别	n	干预前	干预后	Z值	P值
对照组	16	47.89(28.06, 55.90)	47.61(32.92, 64.98)	-1.862	0.063
试验组	16	43.48(32.67, 70.36)	87.12(65.05, 105.40)	-2.741	0.006
Z值		-0.264	-3.260
P值		0.792	0.001

项目	臀大肌RMS		臀中肌RMS
项目	r值	P值	r值	P值
步态线长度	0.502	0.003	0.522	0.002
单支撑线长度	0.530	0.002	0.516	0.002
内外侧位移	-0.659	< 0.001	-0.553	0.001

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