Changes in Trunk Muscle Activation Before (pre), Immediately After (post) the Four-week Core Stability Exercise Program
| Parameter (%MVIC) | Pre | Post | Increase (%) |
|---|---|---|---|
| RA | 23.28 | 27.42 | 17.78 |
| EOA | 18.36 | 50.94 | 177.45 |
| IOA | 11.69 | 34.80 | 197.69 |
| ES | 18.39 | 4.42 | -75.97 |
Increase: the ratio of pre and post, RA: rectus abdominal, EOA: external oblique abdominal, IOA: internal oblique abdominal, ES: erector spinae