COL5A1 rs12722 polymorphism is not associated with passive muscle stiffness and sports-related muscle injury in Japanese athletes

Table 1 Participant characteristics in Study 1 (n = 363)

	All	Men	Women	P value Men vs. Women
n	363	231	132
Age, year	20.5 ± 2.0	20.7 ± 2.0	20.2 ± 1.9	0.043
Height, cm	169.3 ± 9.0	174.0 ± 6.6	161.2 ± 6.5	<0.001
Body mass, kg	64.2 ± 11.6	68.4 ± 11.5	56.8 ± 7.2	<0.001
PSLR ROM, degree	82.3 ± 17.3	77.1 ± 14.4	91.5 ± 18.1	<0.001
SR ROM, cm	10.43 ± 9.5	8.3 ± 9.6	13.9 ± 8.2	<0.001
Shear modulus (kPa)^a
Biceps femoris	19.9 ± 7.0	19.8 ± 7.3	20.1 ± 6.4	0.652
Semitendinosus	25.8 ± 8.6	27.3 ± 9.1	22.9 ± 6.4	<0.001
Semimembranosus	40.4 ± 16.7	42.5 ± 17.4	36.2 ± 14.5	0.001
Stretch, % yes	78.2	73.9	81.1	0.123

Values are presented as the mean ± SD unless noted otherwise. Bold emphasis: P < 0.05
^aData are available 353, 353, 331 participants for the biceps femoris, semitendinosus, and semimembranosus, respectively

ISSN: 1471-2350