How does the action of the rectus abdominis differ from that of the other abdominal muscles

Flexes vertebral segment  

Explanation:

The difference in the function of the abdominis and the other abdominal muscles is given as under:

The function of the rectus abdominis is that it flexes the vertebral segment notwithstanding packing the wall of the abdomen. The other muscles of the abdomen contracts the abdominal wall and horizontally turn the trunk.

                                                        water

a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

                                                        halon  

any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer.

                                                  dry chemical

extinguishing agent used on class a, class b, and class c fires.

                                                  carbon dioxide

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. it is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.