Overview
Deep exhale with the diaphragm pulled up, abdominal wall hollowed inward beneath the rib cage. Distinctive Women's Physique signature; rewards waist-to-rib aesthetic.
Primary muscles
transverse abdominis, serratus, intercostals
What judges look for
Cleanliness of the hollow; serratus + intercostal visibility under the vacuum; symmetry left-to-right.
Common deductions
- Inhalation visible
- ribs not lifting
- loose belly.