Functional Rehab Academy
Obliques externus
Muscle origin
External surfaces of 5-12th rib
Muscle insertion
Linea alba, pubic tubercle, anterior half of iliac crest
Muscle function
Trunk flexion (bilateral contraction), trunk lateral flexion (unilateral contraction), trunk rotation (contralateral), compresses abdominal viscera and assisting in forced expiration
Nerve innervation
T7-12 (Lovett reactor T4-C6)
Primary muscle type
Phasic / Mixed type (50-60%)
Myofascial lines
Spiral line
Lateral line
Primary inhibatory muscles
Rhomboid, Latissimus dorsi both sides, Quadratus lumborum both sides, Psoas major both sides, Tensor fascia latae both sides
Organ relationship (T2-L2, Sacrum, n. Vagus)
- Lungs (FA)
- Symp – T2-6 (Pulmonary plexus)
- Parasymp – CX (Vagus)
- Esophagus (FA)
- Symp – T4-9 (Esophageal plexus)
- Parasymp – CX (Vagus)
- Stomach (FA)
- Symp – T5-9 (Celiac plexus)
- Parasymp – CX (Vagus)
- Pancreas (FA)
- Symp T5-10 (Celiac plexus)
- Parasymp – CX (Vagus)
- Liver (FA)
- Symp T5-10 (Celiac plexus)
- Parasymp – CX (Vagus)
- Gallbladder (FA)
- Symp – T5-T9 (Celiac plexus)
- Parasymp – CX (Vagus)
- Small intestine (FA/AK)
- Symp – T5-12 (Celiac and superior Mesenteric plexus)
- Parasymp – CX (Vagus)
- Large intestine (FA/AK)
- Symp – T10-L2 (Mesenteric and Hypogastric plexus)
- Parasymp – CX (Vagus) and S2-S4 (Sacral plexus)
- Kidneys (FA)
- Symp – T10-L2 (Renal plexus)
- Parasymp – None (CX minimal)
- Adrenals (FA)
- Symp – T8-L1 (Celiac and Renal plexus)
- Parasymp – None
- Reproductive organs (FA)
- Symp – T10-L2 (Inferior Hypogastric, Ovarian and Testicular plexus)
- Parasymp – S2-4 (Sacral plexus)
- Spleen (FA)
- Symp – T5-T9 (Celiac plexus)
- Parasymp – None (CX minimal)
Functional anatomy for
Obliques externus
Related joints
- 5-12th. rib
- T5-L5
- Pubic joint
Associated muscles
- Serratus anterior – Spiral line and control of 5-9th rib
- Latissimus dorsi both sides – Trunk rotation (opposite side) and lateral flexion.
- Iliocostalis Lx/Tx – Control of 5-12th rib and trunk lateral flexion
- Serratus posterior –
- Obliques internus both sides – Trunk flexion, lateral flexion and rotation (opposite side). Spiral line and Latera line
- Rectus abdominus – Trunk flexion, and Control of Pubic joint
- Transverse abdominus – Trunk stability
- Quadratus lumborum both sides – Trunk stability and lateral flexion
- Tensor fascia latae both side – Spiral line and lateral line
- Psoas major – Flexor chain and control of
- Gluteus maximus – Transverse plane stability of lumbar spine though Back functional line
Release exercises
Corrective strength exercises
Functional Rehab Academy
Manual and practical therapy strategies that will help you find the root cause(s) and achieve faster and better results with your clients.
Functional Rehab Academy is a part of:
Move2Peak Academy ApS, Denmark
contact@functionalrehabacademy.com