Table 1. Incidence (% occurrence in all trials) of lower abdominals (LA) EMG burst during the flexion-relaxation response. Each subject performed four trials under stable and unstable base conditions.
|
Stable |
Unstable |
4 / 4 trials |
44.4% |
0% |
2-3 / 4 trials |
27.7% |
16.6% |
0-1 / 4 trials |
27.7% |
83.3% |