No-Equipment Ab Exercises Chart - Bodyweight exercises always recruit more than one muscle group for each exercise so it is impossible to isolate and work one muscle group specifically by doing one type of exercise. It is however possible to increase the load targeting specific muscle groups with specific exercises so that they respond the most to the challenge. The following chart helps you find the exercise that helps focus more on specific abdominal muscle groups for best results.
Warming up before a workout helps to activate your central nervous system and to maximize your performance. The improvement in blood and oxygen circulation and the increase in body temperature helps to prepare the muscles for more strenuous activities. http://www.spotebi.com/workout-routines/10-minute-core-cardio-warm-up/