Shape.com reports on seven factors that may prevent loss of belly fat, including weak abdominal muscles.

Shape.com spoke to Marci A. Goolsby, MD, primary care sports medicine physician at HSS, who advises to keep posture in mind. Dr. Goolsby notes, "Remember ABC. Pull in your abs, tuck in your butt and put your chest out with your shoulders down."

Read the full article at Shape.com.