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Internal Obliques

Origin

• Iliac crest
• Inguinal ligament
• Thoracolumbar fascia

Insertion

• Lower 3-4 ribs
• Linea alba

Actions

• Contraction of one side alone laterally bends the trunk to that side
• and rotates the trunk to the other side
• Compresses the abdomen and supports the abdominal viscera

Innervation

• Ventral rami of thoracic nerves
• Ilioinguinal nerve
• Iliohypgastric nerve

Daily uses

• Raking leaves

How can I stretch it?

• Side stretch

How can I strengthen it?

• Twisting crunches or sit-ups
• Sitting twists with a resistance band
• Standing twists with a resistance band
• Medicine ball twists