Answer:
Cervical Plexus—Serves the Head, Neck and Shoulders.
Brachial Plexus—Serves the Chest, Shoulders, Arms and Hands.
Lumbar Plexus—Serves the Back, Abdomen, Groin, Thighs, Knees, and Calves.
Sacral Plexus—Serves the Pelvis, Buttocks, Genitals, Thighs, Calves, and Feet.
Explanation:
hope this helps :)
No, only doing crunches will not help. You will have to do a variety of excercises to help lose weight around the belly. A good example of excercises that will help you lose weight would be cardio excercises.