Table 5. Mean (SD) of electromyography of muscle for the pivot leg at three different RHK heights during the return period.
| Variables |
LT |
MT |
HT |
F value |
p value |
| RFEMG (MVIC) † |
0.25(0.14) |
0.26(0.14) |
0.20(0.16) |
3.578 |
0.045 * |
| BFEMG (MVIC) |
0.15(0.08) |
0.13(0.08) |
0.15(0.09) |
1.296 |
0.286 |
| ADEMG (MVIC) |
0.29(0.14) |
0.27(0.16) |
0.30(0.18) |
1.127 |
0.286 |
| GMEMG (MVIC) |
0.31(0.15) |
0.35(0.13) |
0.29(0.11) |
1.137 |
0.339 |
| CIBF-RF #† |
0.40(0.16) |
0.36(0.16) |
0.47(0.16) |
9.163 |
0.001** |
| CIGM-AD † |
0.48(0.15) |
0.53(0.18) |
0.47(0.17) |
3.812 |
0.038 * |
* p < 0.05;** p < 0.01;# LT vs HT p < 0.05;† MT vs HT p < 0.05;RHK, round horse kicking; SD, standard deviation; LT, low height; MT, middle height; HT, high height; EMG, electromyography; MVIC, maximum autonomous isometric contractions; RF, rectus femoris; BF, biceps femoris; AD, adductor femoris; GM, gluteus medius; CI, co-contraction index.
