TRANSVERSE ABDOMINIS

• Origin

Iliac crest, inguinal ligament, lumbar fascia, and cartilages of lower ribs

• Insertion

Linea alba and pubic crest

• Agonist(s)

- Internal and External obliques

- Rectus abdominis

• Antagonist(s)

- Erector spinae

- Quadratus lumborum

• Function

Compresses abdomen