Study on the effect of electroacupuncture combined with isokinetic training on the biomechanics of hip joint in patients after THA surgery

doi:10.3877/cma.j.issn.2096-0263.2024.02.006

Abstract

Abstract:

Objective

To investigate the effect of electroacupuncture combined with isokinetic muscle strength training on the biomechanics of the hip joint in patients after total hip arthroplasty.

Methods

72 patients who underwent total hip arthroplasty were selected and randomly divided into an observation group and a control group, with 36 cases in each group (1 case of dislocation in the observation group). The observation group received electroacupuncture combined with isokinetic muscle strength training therapy, while the control group received traditional rehabilitation training therapy.

Results

A total of 72 patients were followed up for a period of three months. Among them, there are 22 males and 49 females, with an average age of (75.17 ± 10.49) years old. At 3 months post surgery, in the observation group, the healthy side extensor muscle group PT [(79.11±7.11)N·m, t=2.589, P=0.012], the affected side flexor muscle group PT[(73.23±9.40)N·m, t=2.158, P=0.034], PTA [(73.00±18.58)°, t=3.020, P=0.004], TW [(113.80±39.75)J, t=2.395, P=0.019], extensor muscle group PT [(67.09±8.69) N·m, t=3.035, P=0.003), PT/BW [(108.27±23.50) %N·m/Kg, t=2.252, P=0.028], and healthy side medial extension muscle group PT [(67.09±8.69)N·m, t=3.035, P=0.003]were observed. AP [(14.09±3.72)W, t=0.239, P=0.020], PT [(61.43±15.02)N·m, t=4.158, P=0.000], PT/BW [(98.25±26.25) %N·m/Kg, t=3.721, P=0.000], PTA [(29.11±11.06) °, t=2.011, P=0.048], TW[(121.29±33.21)J, t=6.204, P=0.000], PT[(48.54±15.92)N·m, t=2.768, P=0.007], PT/BW[(78.70±28.93) %N·m/Kg, t=2.531, P=0.014], TW[(50.43±15.16)J, t=7.186, P=0.000], all of the above indicators have statistical differences (P<0.05); Compared with the healthy side, except for the observation group's flexor muscle group TW [(113.80±39.75)J, t=5.258, P=0.264], abductor muscle group TW [(121.29±33.21, t=2.467, P=1.552], adductor muscle group TW [(50.43±15.16)J, t=7.176, P=0.089], the control group's extensor muscle group PTA [(85.42±16.00)°, t=3.099, P=5.599], and extensor muscle group TW [(122.33±35.41)J, t=2.965, P=0.157], all other indicators showed statistically significant differences (P<0.05).

Conclusion

By analyzing the biomechanical characteristics of the hip joint, it is confirmed that the combination of electroacupuncture and IST can improve the muscle strength of various muscle groups around the hip in patients after THA surgery, enhance the stability of the hip joint, and is worthy of widespread clinical promotion and use.

Key words: Electroacupuncture, Isokinetic muscle strength training, Total hip arthroplasty, Biomechanics

yang Sun, shuai Yang, Jinxuan Jia, Zhen Du, Lingfeng Zhou, Xianzhen Wei. Study on the effect of electroacupuncture combined with isokinetic training on the biomechanics of hip joint in patients after THA surgery[J]. Chinese Journal of Geriatric Orthopaedics and Rehabilitation(Electronic Edition), 2024, 10(02): 103-110.

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References 30

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组别	例数	性别（例，男/女）	年龄（岁，±s）	部位（例，左/右）	病程（d，±s）	BMI指数（Kg/m²，±s）
观察组	36	10/26	75.03±10.02	22/14	3.34±2.18	22.50±5.27
对照组	35	12/23	76.17±10.95	23/12	4.16±2.04	23.35±4.22
t或χ²值		0.351	0.432	0.162	2.409	5.061
P值		0.614	0.187	0.806	0.116	0.899

组别	例数	性别（例，男/女）	年龄（岁，±s）	部位（例，左/右）	病程（d，±s）	BMI指数（Kg/m²，±s）
观察组	36	10/26	75.03±10.02	22/14	3.34±2.18	22.50±5.27
对照组	35	12/23	76.17±10.95	23/12	4.16±2.04	23.35±4.22
t或χ²值		0.351	0.432	0.162	2.409	5.061
P值		0.614	0.187	0.806	0.116	0.899

肌群	组别	侧别	PT	PT/BW	PTA	TW	AP
屈肌群	观察组	患侧	73.23±9.40*	119.63±27.20*	73.00±18.58*	113.80±39.75	17.23±4.63*
	观察组	健侧	91.89±8.02	149.91±30.29	54.94±13.68	126.91±39.93	22.43±5.24
	对照组	患侧	68.58±8.71*	108.03±23.08*	85.42±16.00*	94.69±26.28*	15.17±4.66*
	对照组	健侧	91.72±7.87	144.23±25.14	51.47±16.03	128.19±36.48	23.83±4.56
	t	患侧	2.158	1.940	3.020	2.395	1.868
	t	健侧	0.087	0.860	0.980	0.141	1.207
	P	患侧	0.034	0.056	0.004	0.019	0.066
	P	健侧	0.931	0.393	0.330	0.888	0.232
伸肌群	观察组	患侧	67.09±8.69*	108.27±23.50*	29.54±12.93*	111.26±42.49*	10.40±3.66*
	观察组	健侧	79.11±7.11	128.19±27.25	38.77±19.75	137.09±35.74	20.97±5.37
	对照组	患侧	60.08±10.63*	95.26±25.14*	31.01±11.33	122.33±35.41	10.86±4.04*
	对照组	健侧	74.81±6.91	117.51±19.28	34.64±19.25	127.86±36.54	20.25±4.38
	t值	患侧	3.035	2.252	0.515	1.195	0.503
	t值	健侧	2.589	1.911	0.893	1.075	0.621
	P值	患侧	0.003	0.028	0.608	0.236	0.617
	P值	健侧	0.012	0.060	0.375	0.286	0.537

肌群	组别	侧别	PT	PT/BW	PTA	TW	AP
屈肌群	观察组	患侧	73.23±9.40*	119.63±27.20*	73.00±18.58*	113.80±39.75	17.23±4.63*
	观察组	健侧	91.89±8.02	149.91±30.29	54.94±13.68	126.91±39.93	22.43±5.24
	对照组	患侧	68.58±8.71*	108.03±23.08*	85.42±16.00*	94.69±26.28*	15.17±4.66*
	对照组	健侧	91.72±7.87	144.23±25.14	51.47±16.03	128.19±36.48	23.83±4.56
	t	患侧	2.158	1.940	3.020	2.395	1.868
	t	健侧	0.087	0.860	0.980	0.141	1.207
	P	患侧	0.034	0.056	0.004	0.019	0.066
	P	健侧	0.931	0.393	0.330	0.888	0.232
伸肌群	观察组	患侧	67.09±8.69*	108.27±23.50*	29.54±12.93*	111.26±42.49*	10.40±3.66*
	观察组	健侧	79.11±7.11	128.19±27.25	38.77±19.75	137.09±35.74	20.97±5.37
	对照组	患侧	60.08±10.63*	95.26±25.14*	31.01±11.33	122.33±35.41	10.86±4.04*
	对照组	健侧	74.81±6.91	117.51±19.28	34.64±19.25	127.86±36.54	20.25±4.38
	t值	患侧	3.035	2.252	0.515	1.195	0.503
	t值	健侧	2.589	1.911	0.893	1.075	0.621
	P值	患侧	0.003	0.028	0.608	0.236	0.617
	P值	健侧	0.012	0.060	0.375	0.286	0.537

肌群	组别	侧	PT	PT/BW	PTA	TW	AP
外展肌群	观察组	患侧	61.43±15.02*	98.25±26.25*	29.11±11.06*	121.29±33.21	11.63±5.65*
	观察组	健侧	77.20±11.35	125.32±31.09	34.09±7.64	122.29±29.53	18.29±8.17
	对照组	患侧	48.58±10.70*	76.90±21.95*	24.25±9.27*	79.53±22.67*	10.22±4.97*
	对照组	健侧	81.67±11.17	127.71±21.52	31.64±7.00	115.72±27.71	18.69±7.09
	t值	患侧	4.158	3.721	2.011	6.204	1.114
	t值	健侧	1.671	0.377	1.407	0.966	0.225
	P值	患侧	0.000	0.000	0.048	0.000	0.269
	P值	健侧	0.099	0.707	0.164	0.337	0.822
内收肌群	观察组	患侧	48.54±15.92*	78.70±28.93*	22.40±6.61*	50.43±15.16	8.78±4.51*
	观察组	健侧	60.11±11.69	97.89±28.64	27.43±10.80	48.89±15.41	14.09±3.72
	对照组	患侧	39.14±12.55*	62.38±25.33*	21.72±7.61*	26.47±12.86*	8.58±3.34*
	对照组	健侧	58.28±11.92	91.29±21.15	26.94±10.44	49.31±17.08	11.89±4.01
	t值	患侧	2.768	2.531	0.400	7.186	0.200
	t值	健侧	0.655	1.107	0.192	0.109	0.239
	P值	患侧	0.007	0.014	0.690	0.000	0.842
	P值	健侧	0.514	0.272	0.848	0.914	0.020

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