Table 5. Percentage and number of participants in each category of hamstring extensibility.

		Ballet (n = 70)	Spanish (n = 70)	Contemporary (n = 70)	Non-dancer group (n = 70)	χ2 and p values
Right PSLR	Normal	n = 70, 100%	n = 70, 100%	n = 70, 100%	n = 67, 95.71%	χ2 = 9.097; p = 0.028
	Shortness grade I	n = 0, 0%	n = 0, 0%	n = 0, 0%	n = 3, 4.29%
	Shortness grade II	n = 0, 0%	n = 0, 0%	n = 0, 0%	n = 0, 0.0 %
Left PSLR	Normal	n = 70, 100%	n = 70, 100%	n = 70, 100%	n = 67, 95.71%	χ2 = 9.097; p = 0.028
	Shortness grade I	n = 0, 0%	n = 0, 0%	n = 0, 0%	n = 3, 4.29%
	Shortness grade II	n = 0, 0%	n = 0, 0%	n = 0, 0%	n = 0, 0.0 %
Pelvic tilt SR	Normal	n = 70, 100%	n = 70, 100%	n = 70, 100%	n = 62, 88.57%	χ2 = 24.70; p = 0.005
	Shortness grade I	n = 0, 0%	n = 0, 0%	n = 0, 0%	n = 6, 8.57%
	Shortness grade II	n = 0, 0%	n = 0, 0%	n = 0, 0%	n = 2, 2.85%
Distance SR	Normal	n = 70, 100%	n = 70, 100%	n = 70, 100%	n = 18, 25.71%	χ2 = 191.57; p<0.001
	Shortness grade I	n = 0, 0%	n = 0, 0%	n = 0, 0%	n = 29, 41.43%
	Shortness grade II	n = 0, 0%	n = 0, 0%	n = 0, 0%	n = 23, 32.85%
Pelvic tilt TT	Normal	n = 70, 100%	n = 70, 100%	n = 70, 100%	n = 46, 65.71%	χ2 = 63.34; p<0.001
	Shortness	n = 0, 0%	n = 0, 0%	n = 0, 0%	n = 24, 34.28%
Distance TT	Normal	n = 70, 100%	n = 70, 100%	n = 70, 100%	n = 25, 35.71%	χ2 = 78.75; p<0.001
	Shortness grade I	n = 0, 0%	n = 0, 0%	n = 0, 0%	n = 22, 31.42%
	Shortness grade II	n = 0, 0%	n = 0, 0%	n = 0, 0%	n = 23, 32.85%

Note:

PSLR: passive straight leg raise test; SR: sit-and-reach test; TT: toe-touch test.