Finally, far from focusing on a flat stomach, your deep core muscles work your pelvic floor and diaphragm. Your pelvic floor muscles are a group of muscles at the base of your pelvis, and ...

The question is, how can you train for abs—especially around the pesky lower portion of the muscle group, where definition can be particularly difficult to achieve? The answer isn’t exactly ...

Sculpt your upper abs, your rectus abdominis or "six-pack" muscles, with this workout, which includes isometrics (planks and hollow holds) & sit-up variations.

Megan Johnson is a personal trainer from Chattanooga, Tenn. The 28-year-old self-diagnosed herself with diastasis recti, the separation of the rectus abdominis muscles, after not seeing a doctor ...

Find out what you need to know about your abdominal muscles and their function. Learn the signs of injury and how to strengthen these muscles.

External obliques: the muscles on the side of the rectus abdominis, which allows your trunk to twist. Internal obliques: located beneath the external obliques, which also help twist the trunk.

"Recti" refers to your ab muscles called the "rectus abdominis." When the ab muscles move aside like this, the uterus, bowels, and other organs have only a thin band of connective tissue in front ...