The Ballerina Workout
Believe it or not you can burn more calories throughout the day just by maintaining perfect posture. Upholding a healthy alignment, while continuously contracting your abdominal muscles inward will keep your back and core happier and healthier over time. Strong abs are the key to a healthy back. If you think of your body as an architectural structure if one side is weak it will then consequently put more stress on the non-affected side.
For instance, many pot bellied men complain of low back pain. Working up to an exercise routine that includes 5 minutes of abdominal work daily is integral to a back pain prevention program.