The rectus abdominis muscle is what you think of as your six-pack, which you engage when you flex your lumbar spine. Here's how you should train it.

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 ...

For truly effective abs workouts, you have to incorporate the best abs exercises and target your entire core. See results with these trainer-selected moves.

A muscle in the quadriceps, the rectus femoris muscle is attached to the hip and helps to extend or raise the knee. This muscle is also used to flex the thigh. The rectus femoris is the only ...

What is the rectus femoris muscle? Published: May 02, 2005 12:00 AM EDT. The rectus femoris muscle is one of quadriceps muscles.

DEAR DR. ROACH: I’m a 63-year-old man in generally good health. Recently, we moved into a new home with a pool. When I floated on my back, I noticed a 6-by-2-inch bulge from my breastbone to my ...

We present a patient who had an inferior rectus muscle entrapment as a result of sinus expansion by balloon catheterization for treating a compressed sinus fracture. A 39-year-old male was injured ...

The tendon width of the lateral rectus muscle can be a useful indicator of the effect of unilateral lateral rectus recession in intermittent exotropia.1 The aim of this study was to determine ...

Rectus sheath haematoma (RSH) is a well-documented but uncommon clinical condition. It is usually a self-limiting condition but can present as a life-threatening emergency. RSH after non-contact ...