Question

Which muscle runs down the front of the abdomen and is used when doing crunches (also known as the six-pack abs)?

A. rectus femoris
B. quadraceps femoris
C. rectus abdominis
D. gluteus maximus

Answer 1

c. rectus abdominis is the muscle that runs down the front of the abdomen and used when doing crunches.

Answer 2

C) the recurs abdominis