Rectus Abdominis

Rectus Abdominis ExRx.net > Kinesiology > Directory > Muscle Other Names Waist (Belly) Abdominal Abs Heads Rectus Abdominis Movement Spine (Lumbar) Flexion Attachments Origin Pubis Crest Insertion Ribs (5th, 6th, & 7th) Cartridge Xiphoid Process Related Muscles Obliques Comments Rectus abdominis controls the tilt of the pelvis and curvature of the lower spine. It also tilts pelvis forward improving the mechanical positioning of the erector spinae. See abdominal weakness. Main Menu| Exercise& Muscle Lists | Exercises