Table 1.

Demographic data of the patients in the static and dynamic quadriceps stretching groups

	Static Stretching Group (n = 20)	Dynamic Stretching Group (n = 24)	P
Sex (male/female), n	7/13	8/16
Age,a y	26.5 ± 6.8	28.1 ± 4.2	0.77
Height,a cm	173.4 ± 4.0	171.8 ± 4.3	0.48
Weight,a kg	68.9 ± 8.2	71.3 ± 5.4	0.82
Body mass index,a kg/m2	25.1 ± 3.2	26.7 ± 2.6	0.51
Duration of symptoms,a mo	3.8 ± 2.1	4.1 ± 1.6	0.32
Injured side (right/left), n	17/3	20/4
Sports and activity (low:high), n	4:16	7:17	0.66
Insall-Salvati ratio	1.16	1.13	0.90

^aValues are expressed as mean ± standard deviation.