Creating definition in your midsection often involves two steps. First, take a deep breath and exhale completely to "vacuum" or suck your stomach in. Then, imagine doing a crunch without actually bending your spine—bear down slightly to make the abdominal muscles stand out.

To get that "solid flex," focus on these standard techniques used by fitness creators:

Lift your chest upward toward the ceiling. For a more "elegant" look typical in women’s physique, try a slight twist to make your shoulder (delt) and tricep pop at the same time. Training Tips for Better Definition