One thing you'll notice at the Olympic games is that female athletes all seem to have well-defined abdominal muscles. Core strength is important, no matter who you are. Fitness instructor Kari Anderson of Seattle Gym sneaks in an ab workout.
KING5.com
Posted on August 9, 2012 at 4:39 PM
Updated Friday, Jan 4 at 10:44 AM
One thing you'll notice at the Olympic games is that female athletes all seem to have well-defined abdominal muscles. Core strength is important, no matter who you are. Fitness instructor Kari Anderson of Seattle Gym sneaks in an ab workout.
Credit: KING