Answer the following questions on the abdominal and pelvic axial muscles.
1.Which abdominal muscles has the unique “6-pack” structure?
◦What features associated with that muscles give it its distinct shape?
◦In 1-2 sentences, provide a description of the movements with which it is involved.
◦Why would exercises such as crunches, increase its strength and external visibility.
2.There are three other abdominal muscles. For each, provide the following information.
◦Position relative to the skeleton. (origins and insertions)
◦Position relative to the other abdominal muscles. (superficial, deep, lateral, etc…)
◦Muscle fiber orientation.
◦Function.
3.What are the boundaries of the perineum? What are the two regions that form the perineum?
4.Which muscles form the pelvic floor, and which of these are included in the levator ani group?
5.Which perineal muscles differ due to sex? For each muscle, describe how it differs in location and function depending on sex.