In Ab Exercise: Abs on the Ball: A Pilates Approach to Building Superb Abdominals

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 coaches for people suffering from back pain. Craig shows how traditional sit-ups and "ab" machines actually limit the degree to which abdominal muscles can be tra ...Ab Exercise