17 April 2026 : Clinical Research
Effects of Abdominal Bracing Versus Abdominal Hollowing on Abdominal Muscle Thickness and Activation During Static and Dynamic Trunk Stabilization Tasks in Healthy Adults
Kwang-Hyuk Jung BEF 1, DooChul Shin ACDEG 2*DOI: 10.12659/MSM.952117
Med Sci Monit 2026; 32:e952117
Table 3 Comparison of muscle activation (%RVC) between techniques and task conditions.
| Muscle | Hook-lying bracing | Hook-lying hollowing | Toe-tap bracing | Toe-tap hollowing | p |
|---|---|---|---|---|---|
| Rectus abdominis | 28.4±8.9 | 36.7±10.1 | 45.2±12.5 | 47.8±11.9 | 0.041 |
| External oblique | 35.6±9.3 | 42.5±10.4 | 52.1±11.8 | 54.3±12.6 | 0.048 |
| Internal oblique | 31.8±8.6 | 38.4±9.2 | 49.7±10.3 | 51.1±11.5 | 0.037 |






