Table 1.
Relative muscle activities (%MVIC) during bridging exercises.
Joint angle
60º
90º
120º
F
p
partial η
2
Muscle
Mean ± SD
Mean ± SD
Mean ± SD
Rectus abdominis
58.58 ± 11.83
57.05 ± 14.65
56.70 ± 15.75
0.821
0.447
0.039
Rectus femoris
45.30 ± 13.79
45.56 ± 13.57
46.25 ± 15.03
1.385
0.275
0.127
Biceps femoris
69.56 ± 17.81
a
45.76 ± 13.65
b
34.36 ± 13.41
c
31.994
0.000
*
0.670
SD: Standard deviation. MVIC: maximum voluntary isometric contraction.
a
Significantly (p < 0.05) different when compared to 90º and 120º.
b
Significantly (p < 0.05) different when compared to 60ºand 120º.
c
Significantly (p < 0.05) different when compared to 60º and 90º. Effect size (partial η
2
): small = 0.01, medium = 0.06, large = 0.14.