core strength exercises
Some people put too much emphasis on eliminating flab from the abs. The truth is this is just one part of total core muscle development. The objective of core strength exercises is to make sure that the muscles of the pelvis, lower back, hips and abdomen work in harmony. When this happens, stability is achieved and power is projected to the extremities of the body. The result is more stamina and energy in doing just about any activity.
There are hundreds of exercises meant to achieve stability and eventual building of stamina. The favorite of trainers are abdominal bracing, plank exercises, the basic push ups, squats, lunges and a host of others. Yoga is another form of exercise that can help. The important thing is that all related muscles are worked out and that proper nutrition is also included in the program. With all these considerations, there is no reason why your objective of strengthening core muscles cannot be achieved.