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...