Rectus Abdominus is the most superficial of the abdominal muscles. It is this muscle which forms the six-pack shape!
- Crest of the pubis
- Pubic symphesis
- Xiphoid process (base of the sternum)
- 5th,6th and 7th costal cartilages
- Flexes lumbar spine
- Ventral rami of thoracic nerves
- Moving from lying to sitting
How can I stretch it?
How can I strengthen it?