Effects of Laser Acupuncture on Delayed Onset Muscle Soreness of the Biceps Brachii Muscle: A Randomized Controlled Trial

Table 3

Outcomes at baseline, postinduction, and 24, 48, 72, and 96 h after inducing delayed muscle soreness.

Items	Groups	Postinduction	24 h	48 h	72 h	96 h
VAS	Laser acupuncture group	2.28±1.07	3.51±1.52	3.67±1.01	2.43±1.43	1.09±0.84
	Placebo group	2.37±0.94	3.53±1.01	3.81±1.65	2.56±1.83	1.21±0.58
Normalized force sense	Laser acupuncture group	1.15±0.76	0.94±0.71	0.98±0.54	1.03±0.84	1.01±0.08
	Placebo group	1.11±0.80	1.07±0.84	1.07±0.80	1.11±0.89	1.06±0.62
PPT	Laser acupuncture group	1.15±0.31	0.78±0.36	0.67±0.27	0.78±0.31	1.01±0.37
	Placebo group	1.14±0.37	0.79±0.31	0.69±0.37	0.84±0.42	1.02±0.30
Normalized arm circumference	Laser acupuncture group	1.01±0.02	1.02±0.03	1.00±0.03	0.99±0.02	0.99±0.03
	Placebo group	1.01±0.03	1.00±0.04	1.02±0.02	1.02±0.04	1.01±0.03
Normalized muscle strength	Laser acupuncture group	0.72±0.78	0.77±0.13	0.83±0.22	0.87±0.17	0.94±0.31
	Placebo group	0.71±0.13	0.74±0.09	0.82±0.22	0.86±0.13	0.95±0.17

p<0.05, laser acupuncture group versus placebo group