Problem
Using complete sentences, name the four pairs of muscles that act together to compress the abdominal contents and answer the following questions.
1) How do their fiber (fascicle) directions contribute to the strength of the abdominal wall?
2) Of these four muscles, which is the strongest flexor of the vertebral column?
3) What is the prime mover of inhalation (inspiration) in breathing?
4) How does all this relate to building muscle mass?
5) If someone wanted to get a "6-pack", what advice could you give them based on what you have learned?