Related Clues:
- Rowers' muscles, for short
- 'Washboard' body parts
- Six-pack muscles
- Mr. America's pride
- Exerciser's pride
- Midsection muscles, for short
- Six-pack, maybe
- Back muscle
- Weightlifters build them, for short
- Long. counterpart
- Six-pack ___
- Rowers work them, briefly
- Back muscle, in gym-speak
- Some muscles
- Target of sit-ups