Table 1 The difference in the BR position among tasks

Anterior (+) or Posterior (−)

78 ± 8

91 ± 6 ^a

86 ± 9 ^{b c}

F = 66.206, p < .001

< .001 ^{a c}, .001 ^b

Transverse: Right (+) or Left (−)

14 ± 11

4 ± 8 ^a

7 ± 8 ^{b c}

F = 25.836, p < .001

< .001 ^a, .015 ^b, .001 ^c

Vertical: Upward (+) or Downward (−)

76 ± 7

59 ± 10 ^a

70 ± 8 ^{b c}

F = 42.588, p < .001

< .001 ^{a b}, .001 ^c