Compensatory muscle activation and spinal curve changes in response to fatigue among adolescent male athletes

Table 1 The level of fatigue (p-values of the Wilcoxon sign-rank tests) in the measured muscles, and their correlation with the changes in spinal curves

Muscle	Significance of fatigue (p-values)	Correlations (r_S)
Muscle	Significance of fatigue (p-values)	TK	LL
erec. sp. lo.	0.123	0.02	-0.35
erec. sp. il.	0.365	-0.21	0.39
obl. ext. abd.	0.102	0.01	0.49
rect. abd.	< 0.001	0.34	0.02
glut. max.	0.898	-0.11	-0.25
glut. med.	0.175	0.19	0.12
rect. fem.	0.365	0.23	0.32
add. lon.	0.700	0.03	0.15
bic. fem.	0.898	-0.74*	-0.71*
tib. ant.	0.413	-0.48	-0.42
gast. med.	0.240	0.19	0.12

erec. sp. lo., erector spinae longissimus; erec. sp. il., erector spinae iliocostalis; obl. ext. abd., obliquus externus abdominis; rect. abd., rectus abdominis; glut. max., gluteus maximus; glut. med., gluteus medius; rect. fem., rectus femoris; add. lon., adductor longus; bic. fem., biceps femoris; tib. ant., tibialis anterior; gast. med., gastrocnemius medialis; r_S, Spearman’s correlation coefficient; TK, thoracic kyphosis; LL, lumbar lordosis; *p < 0.05

ISSN: 2052-1847