Question

which muscle is labeled \f\?
anterior view of body in anatomical position showing the major skeletal muscles; letter f points to a muscle near the middle of the subjects abdomen i...
internal oblique

Explanation:

The label "F" points to a muscle in the lateral abdominal region, which is the internal oblique—this muscle is located deep to the external oblique, running in the opposite fiber direction, and is positioned in the area described near the middle of the abdomen.

Answer:

Internal oblique