• The 3 most effective ab workouts, according to experts

    6 monthes ago - By Business Insider

    According to a study done by the American Council on Exercise, there are three abdominal workouts that are most effective in achieving a strong core and washboard stomach muscles.
    Bicycle crunches use all of the abdominal muscles, including the rectus abdominis - the front ab muscles that make up the visible six-pack.
    The captain's chair stimulates both the abdominals and the obliques that line the sides of your abs.
    Finally, crunches done on a medicine or balance ball will engage the rectus abdominis and, due to the balance they require, will engages smaller ab muscles...
    Read more ...