ab muscle造句

• Start by tightening and relaxing the ab muscles while lying on the floor, knees bent and shoulders'width apart.
• Both ab muscles ( rectus and transversus abdominis ) are used to isometrically stabilize the spine to resist extension and posterior pelvic tilt that would otherwise occur with the legs lifted in front.
• Prior to the procedure, the surgeon makes detailed markings of the patient's flexed ab muscles and uses the markings to remove fat and highlight the patient's individual muscular structure.
• :Since we're all speculating here, you might have a slight spine curvature that makes it difficult to work out both sets of ab muscles equally-the " cut " side is doing all the work while the flabby side is just hanging out.