Muscle Name: Rectus Abdominis (Abs)
Medical Name:
- Rectus Abdominis
Other Names:
- Abs
- Abdominal Muscle
- Six-Pack Muscle
Head:
- None (Single muscle with multiple segments)
Movement:
- Flexion of the lumbar spine
- Bending the torso forward
- Posterior pelvic tilt
- Tilting the pelvis backward
- Compression of the abdominal contents
- Assisting in forced exhalation, childbirth, and defecation
Attachment:
- Origin:
- Pubic crest
- Pubic symphysis
- Insertion:
- Xiphoid process of the sternum
- Costal cartilages of ribs 5-7
Related Muscles:
- External Obliques
- Internal Obliques
- Transversus Abdominis
- Erector Spinae
- Iliopsoas