The external oblique muscles are situated on the anterior and lateral parts of the abdomen. Due to their lateral location, these muscles can also be included in some views and descriptions of the posterior muscles of the human torso.
The external oblique muscles are closer to the surface of the body (i.e. more 'superficial') than the 'deeper' internal oblique muscles beneath them. Another way to remember this is to use the external part of the name external oblique as a clue, 'external' referring to 'closer to the surface of the body'.
Origin, Insertion and Actions of the External Oblique muscles:
|Points of Origin:||
|Points of Insertion:||
|Action(s):||The external oblique muscles have several actions. The specific movements created or supported by these muscles depends on whether just one, or both, of the external oblique muscles is contracted. In general, they can:
The external oblique muscles are labelled on diagrams of the human anterior muscles and the human posterior muscles.
More about Muscles:
The following are some popular pages in the section about the human muscular system:
- The structure of muscle tissue
- The structure of muscle cells
- Labelled diagrams of the muscles in different parts of the body including anterior muscles, posterior muscles and facial muscles
- Types of muscle contractions
- Movements at joints
There are also more pages about the words used to describe muscles (terminology), the anatomy and physiology of muscles, muscular disorders and associated topics. See also books about sports medicine.
- Anterior Muscles
- Posterior Muscles
- Facial Muscles
- Muscle Terminology (Definitions)
- 1. Structure of Muscle
- 2. Structure of Muscle Cells
- 3. Muscle Filaments
- 4. Sliding Filament Theory
- 5. Neuromuscular Junction
- 6. Actions at Neuromuscular Junction
- Types of Muscle Contractions
- Muscular Disorders
- Effects of exercise on muscles