Question

the muscles of the abdomen are named based on _______. fiber direction number of divisions size or shape

Explanation:

Muscles in the abdomen are often named according to the direction of their muscle - fibers. For example, the rectus abdominis has fibers running vertically, while the external oblique has fibers running in a specific diagonal direction. This naming convention helps in identifying and understanding the function and orientation of these muscles.

Answer:

fiber direction