Abs on the Ball

Innovative abdominal exercises to help tone the abdomen, improve posture, and build a strong back using the Swiss exercise ball. Offers a 10-minute and 20-minute workout for all levels of fitness. Shows how the mobility of the ball targets underutilized muscles. Shows how traditional sit-ups and "ab" machines limit how much abdominal muscles can be trained and also aggravate lower back pain and neck tension. The exercise ball has long been recommended by doctors, physical therapists, and Olympic