Rectus Abdominis

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Rectus abdominis.jpg
Rectus Abdominis
Muscle Type
Origin Pubic symphysis, pubic crest
Insertion Xiphoid process, costal cartilages of ribs 5-7
Action Trunk flexion, compresses abdominal viscera, expiration
Synergists
Antagonists
Spinal innervation T7-T12
Peripheral Innervation Intercostal nerves (T7-T11), subcostal nerve (T12)
Vasculature