Related Clues:

• Some calisthenics
• Exercises
• Ab exercise
• Abs strengtheners
• Cousins of crunches
• Some exercises
• Six-pack developers
• Exercises done while prone
• Gym class exercises
• Basic exercise routine
• Abs-building routines
• Strategy for getting a six-pack?
• Gym exercises
• Tummy exercises
• Leg-lift alternatives