Muscle Coactivation during Stability Exercises in Rhythmic Gymnastics: A Two-Case Study
Table 2
Mean relative values and standard deviation of the anterior (aF) and posterior (pF) GRF and medial (mF) and lateral (lF) GRF of gymnast A and B in balance exercises.
GRF
Gymnast A
Gymnast B
Side split with hand support
Ring with hand support
Back split without hand support
Side split with hand support
Ring with hand support
Back split without hand support
aF (% BW)
1.15 ± 0.76
0.64 ± 0.76
1.06 ± 0.46
0.55 ± 0.21
0.48 ± 0.21
0.23 ± 0.04c
pF (% BW)
1.02 ± 0.46
1.09 ± 0.67
0.86 ± 0.26
0.71 ± 0.17
2.39 ± 0.83a
1.82 ± 0.27a,c
mF (% BW)
1.85 ± 1.43
1.18 ± 0.26
1.02 ± 0.71
0.79 ± 0.26
1.37 ± 0.15
0.66 ± 0.21b
lF (% BW)
0.39 ± 0.34
1.15 ± 0.70
0.89 ± 0.36
0.72 ± 0.28
0.54 ± 0.30
0.79 ± 0.17
aStatistically significant difference as compared with the SSpS exercise. bStatistically significant difference as compared with the RS exercise. cStatistically significant between gymnasts A and B.