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What is the rectus abdominus muscle?

Rick Olderman
Physical Therapy
The rectus abdominus muscle originates at the pelvis and inserts into the sternum as well as ribs 5 - 7. This muscle flexes the spine or assists in posteriorly tilting the pelvis and can dominate over the other abdominal muscles (trunk muscles that help to rotate and flex the spine and pelvis).
Fixing You: Back Pain: Self-Treatment for Sciatica, Bulging and Herniated Disks, Stenosis, Degenerative Disks, and other diagnoses.

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Fixing You: Back Pain: Self-Treatment for Sciatica, Bulging and Herniated Disks, Stenosis, Degenerative Disks, and other diagnoses.

Back pain is often due to larger problems, such as poor walking habits or pelvic muscle tightness , that create vulnerabilities in the spine. This is why most people have trouble fixing their...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.