Table 1

Preactivation group means, standard deviation, standard error of the mean, p value, and 95% confidence interval for each muscle and activity

Activity	Sex	Mean	SD	SEM	p Value	95% CI
Activity	Sex	Mean	SD	SEM	p Value	Lower	Upper
*Significant difference between the sexes.
LH, Lateral hamstrings; MH, medial hamstrings; MG, medial gastrocnemius; LG, lateral gastrocnemius; VMO, vastus medialis oblique; SOL, soleus; J, jog; W, walk.
JLG	Female	21.66	16.88	4.09	0.88	−11.9625	13.9002
	Male	20.69	20.01	4.85
JLH	Female	37.84	11.59	2.81	0.867	−9.7611	11.5258
	Male	36.96	18.16	4.40
JMG	Female	41.02	22.18	5.38	0.713	−12.7103	18.3632
	Male	38.19	22.30	5.41
JMH	Female	43.10	10.22	2.48	0.422	−5.1026	11.8967
	Male	39.71	13.84	3.36
JVMO	Female	27.03	13.14	3.19	0.309	−13.9812	4.5612
	Male	31.74	13.40	3.25
JSOL	Female	23.43	11.61	2.81	0.83	−10.0767	8.1367
	Male	24.40	14.32	3.47
WLG	Female	7.52	5.05	1.23	0.82	−3.4443	4.3207
	Male	7.09	6.02	1.46
WLH	Female	28.54	10.10	2.45	0.347	−3.9429	10.91
	Male	25.06	11.13	2.70
WMG	Female	18.27	21.85	5.30	0.722	−11.487	16.4
	Male	15.82	17.87	4.33
WMH	Female	31.73	9.90	2.40	0.01*	2.2108	15.1645
	Male	23.04	8.60	2.09
WVMO	Female	26.68	12.24	2.97	0.995	−8.6549	8.7102
	Male	26.66	12.62	3.06
WSOL	Female	17.54	10.62	2.50	0.262	−3.1957	11.3639
	Male	13.46	10.21	2.47