The rectus sheath is made up of two parts, known as the posterior sheath and the anterior sheath. These sheaths are made of fibers of the transversus abdominis, internal abdominal oblique (IAO), and ...

In years past, muscle injuries in the abdominal area were known by names such as ribcage strains, oblique strains, side strains, abdominal strains, or intercostal strains; with so many muscles ...

Instructions: Choose three to four exercises below. Set a timer for 45 seconds. Perform as many reps as possible in that time, then rest for 15 seconds before continuing onto your next exercise. After ...

This is Your Quick Training Tip, a chance to learn how to work smarter in just a few moments so you can get right to your workout. With all of the attention paid to the abs, you’d think that muscle, ...

Quarterback Nick Foles was listed on the Jaguars’ estimated injury report Wednesday because of a sore abdominal oblique muscle. The injury occurred last week, and Foles is expected to play Sunday ...