Table 1.

Baseline characteristics of the study samples

Variables	Gender	Frequency%	Mean ± SD
Age (years)	Total	66(100%)	20.0 ± 1.5
	Male	21(32%)	20.8 ± 1.7
	Female	45(68%)	20.2 ± 1.3
Height(m)	Total	66(100%)	1.68 ± .9
	Male	21(32%)	1.80 ± 0.5
	Female	45(68%)	1.65 ± 0.4
BMI(Kg/m2)	Total	66(100%)	21 ± 2
	Male	21(32%)	21 ± 1.7
	Female	45(68%)	21 ± 1.7
Positive history of Professional activity	Total	26(39.4%)
	Male	11(42%)
	Female	15(58%)
Duration of Professional activity	Total	26(39.4%)	3 ± 2.7
	Male	11(42%)	5 ± 2.9
	Female	15(58%)	2 ± 2.1
Past history of pain	Total	6(9%)
	Male	2(33%)
	Female	4(67%)
Anterior Location of previous pain	Total	4(6.1%)
	Male	0%
	Female	4(100%)
Length of weekly physical activity	Total	66(100%)	13 ± 1.9
	Male	21(32%)	14 ± 2.3
	Female	45(68%)	12.5 ± 1.2