Action: Supports abdominal wall, aids forced expiration and raising intra-abdominal pressure. Conjoint tendon supports posterior wall of inguinal canalOrigin - Costal margin, lumbar fascia, anterior two thirds of iliac crest and lateral half of inguinal ligamentInsertion - Aponeurosis of posterior and anterior rectus sheath and conjoint tendon to pubic crest and pectineal lineInnervation - Anterior primary rami (T7-12). Conjoint tendon ilioinguinal nerve (L1)

1.
Action: Supports abdominal wall, aids forced expiration and raising intra-abdominal pressure. Conjoint tendon supports posterior wall of inguinal canal
Origin - Costal margin, lumbar fascia, anterior two thirds of iliac crest and lateral half of inguinal ligament
Insertion - Aponeurosis of posterior and anterior rectus sheath and conjoint tendon to pubic crest and pectineal line
Innervation - Anterior primary rami (T7-12). Conjoint tendon ilioinguinal nerve (L1)

Abductor Digiti Minimi
Inferior Gamellus
Middle Deltoid
Transverse Abdominis