The rectus abdominis muscle is located in the front of the body, beginning at the pubic bone and ending at the sternum. It is located inside the abdominal region. The muscle is activated while ...

It sits below the internal and external obliques and rectus abdominis and spans from the lower ribs (costal cartilage of ribs 7–12) down to the pelvis (1, 2, 3, 4).

First, a quick anatomy lesson. The transverse abdominis is one of the four major abdominal muscles, says Alyssa Parten, PhD(c), MS, CSCS, a NSCA-certified personal trainer, strength and ...

To ensure the superficial rectus abdominis isn't doing all the work during core exercises, focus on drawing your abs in. "For transverse, I like to do an exhale almost like you're fogging up a ...