The three muscles of the lateral abdominal wall — the internal oblique, the external oblique, and the transverse abdominis — have fibrous connections that create the rectus sheath, which ...

Abdominal muscles are also needed to maintain posture and support your spine. Rectus abdominis ... bumps give the "six-pack" appearance. External oblique. Also known as the obliquus externus ...

If there is an internal (inner) oblique, it means that there must also be an external ... The rectus, located at the front of the abdominals, runs vertically. The upper end of the muscle is ...

The muscles we are most interested in when discussing abdominal strains are the rectus abdominis, internal oblique, external oblique, transverse abdominis, and intercostal muscles. The intercostal ...

With all of the attention paid to the abs, you’d think that muscle, the rectus abdominis ... but two pairs of muscles. The external obliques are closest to the surface and are the largest ...