How does the next paragraph end?

How to flex your back
Do abdominal exercises.
Abdominal exercises will flex you back each time you roll your body forward or to the side. Include a few abdominal exercises in your regular exercise routine.
There are lots of different abdominal exercises you can try including : Sit ups crunches oblique crunches do bicycle crunches | bicycle crunches] ] Try supermans. Lay down on your stomach with your arms straight out in front of you and your legs straight out behind you.