Table 1. Relative muscle activities (%MVIC) during bridging exercises.
| Joint angle |
60º |
90º |
120º |
F |
p |
partial η2 |
| 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.
