Table 3.

Empirical data before and after treatment for each group (mean $\pm$ standard deviation)

	Pre-intervention								Post-intervention
Indicator	Acupoint stimulation group		Muscle stimulation group		Control group		$P$ value	${\eta }^2$	Acupoint stimulation group		Muscle stimulation group		Control group		$P$ value	${\eta }^2$
RPE	18.50	$\pm$ 0.60	18.55	$\pm$ 0.61	18.45	$\pm$ 0.67	0.902	0.03	8.75	$\pm$ 0.85	8.65	$\pm$ 0.81	10.45	$\pm$ 1.50	0.001	0.30
HR	185.90	$\pm$ 7.02	183.20	$\pm$ 5.98	183.20	$\pm$ 10.94	0.188	0.02	88.65	$\pm$ 4.45	86.15	$\pm$ 7.66	93.35	$\pm$ 8.78	0.009	0.15
SCL (max)	28.80	$\pm$ 10.09	31.06	$\pm$ 10.51	27.86	$\pm$ 12.77	0.322	0.05	44.91	$\pm$ 21.89	38.53	$\pm$ 12.47	27.99	$\pm$ 12.33	0.003	0.17
SCL (min)	23.98	$\pm$ 6.60	26.40	$\pm$ 9.47	23.57	$\pm$ 9.93	0.394	0.002	31.87	$\pm$ 13.53	32.73	$\pm$ 9.88	25.09	$\pm$ 11.61	0.016	0.11
SCL (v)	4.80	$\pm$ 8.11	4.66	$\pm$ 4.21	4.29	$\pm$ 4.90	0.804	0.03	13.04	$\pm$ 20.69	5.80	$\pm$ 5.22	2.90	$\pm$ 1.97	0.044	0.07
SCL (mean)	25.99	$\pm$ 6.92	28.33	$\pm$ 9.53	25.28	$\pm$ 10.69	0.319	0.005	36.15	$\pm$ 14.01	35.20	$\pm$ 10.74	26.34	$\pm$ 11.85	0.006	0.15
HRV (hf)	13.51	$\pm$ 8.53	14.76	$\pm$ 7.95	13.69	$\pm$ 6.53	0.859	0.005	36.10	$\pm$ 18.42	22.59	$\pm$ 12.09	27.92	$\pm$ 9.33	0.020	0.10
HRV (lf)	8.08	$\pm$ 6.00	8.38	$\pm$ 5.12	8.33	$\pm$ 4.50	0.856	0.03	19.31	$\pm$ 10.53	12.88	$\pm$ 8.24	16.18	$\pm$ 7.88	0.093	0.05
HRV (lf/hf)	0.57	$\pm$ 0.15	0.56	$\pm$ 0.14	0.61	$\pm$ 0.12	0.596	0.02	0.53	$\pm$ 0.11	0.56	$\pm$ 0.13	0.56	$\pm$ 0.15	0.679	0.01
SPO${}_2$ (mean)	99.10	$\pm$ 1.17	99.59	$\pm$ 0.56	99.10	$\pm$ 1.80	0.360	0.001	97.96	$\pm$ 1.17	98.07	$\pm$ 1.56	98.45	$\pm$ 1.49	0.493	0.01