TABLE 7.

The error estimations of 15 m (mean ± SD, n = 10) according to the real distance after NNS, SDB, and SDE before and after exercise.

	Before exercise			After exercise
	Side	Face	Mean	Side	Face	Mean
NNS	−1.1 ± 3.6	−1.1 ± 6.3	−1.1 ± 4.8	−1 ± 4.6	−0.4 ± 4.3	−0.7 ± 3.9
SDB	−2.8 ± 4.4	−3.2 ± 3.8	−3 ± 3.8	−3.5 ± 4.1*	−3.6 ± 4.3*	−3.5 ± 4
SDE	−4.1 ± 1.7*	−3.3 ± 2.9	−3.7 ± 2.2	−3.5 ± 2.1*	−4.1 ± 1.7*	−3.8 ± 1.7

*, significantly different from NNS at p < 0.05.