Who doesn't dream of a stronger core, a more defined waist, and a posture that exudes confidence? We often think the only way to achieve this is by doing hundreds of crunches and planks until we're ...

They cause hypertrophy, or muscle growth, of the rectus abdominis muscle. Although you can’t spot reduce fat, crunches can help with belly fat because any form of strength training can help burn ...

10x each side," she says. Reason: "The transverse abdominal muscle supports the midsection, while the obliques and rectus abdominis strengthen with the movement. This exercise builds strength and ...