Obliques (Side Abs)
Muscle Name: Obliques (Side Abs)
Medical Name:
External Obliques Internal Obliques
Other Names:
Side Abs Oblique Abdominals
External Obliques Movement:
Contralateral rotation of the torso
Rotating the torso to the opposite side
Lateral flexion of the torso
Bending the torso to the side
Flexion of the spine
Bending the torso forward
Compression of the abdominal contents
Assisting in forced exhalation, childbirth, and defecation
Attachment:
Origin:
External surfaces of ribs 5-12
Insertion:
Linea alba Pubic tubercle Anterior half of the iliac crest
Related Muscles:
Internal Obliques Rectus Abdominis Transversus Abdominis Latissimus Dorsi
Internal Obliques Movement:
Ipsilateral rotation of the torso
Rotating the torso to the same side
Lateral flexion of the torso
Bending the torso to the side
Flexion of the spine
Bending the torso forward
Compression of the abdominal contents
Assisting in forced exhalation, childbirth, and defecation
Attachment:
Origin:
Thoracolumbar fascia Anterior two-thirds of the iliac crest Inguinal ligament
Insertion:
Inferior borders of ribs 10-12 Linea alba Pubic crest
Related Muscles:
External Obliques Rectus Abdominis Transversus Abdominis Quadratus Lumborum
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