Question

It reinforces the rectus abdominis, inner obliques, and the outer obliques.

Answer 1

Rectus Sheath

The rectus abdominis muscle is contained in a sheath made up of the aponeuroses of the three anterolateral abdominal muscles (external oblique, internal oblique and transversus abdominis). These aponeuroses fuse laterally to the rectus abdominis muscle and then pass, in part, over and under the rectus abdominis muscle to form its sheath.

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