Related Clues:

• Muscles
• Sit-up beneficiaries
• They may be ripped on the beach
• Tummy muscles, for short
• Sit-ups sculpt them
• They work at crunch-time
• Six-pack units
• Pecs' neighbors
• They're below pecs
• Middle muscles
• Exercise targets
• A and B
• Classifications
• Situp targets
• Cruncher's pride