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Related Clues:
- Muscles above the beltline
- Muscles toned by planks
- The hundred target, in Pilates
- They look good when they're ripped
- Things crunched in a gym
- Muscles stretched in cobra pose
- Six-packs, sometimes
- Crunch muscles
- Belly bumps?
- Core features?
- Plank muscles
- Pilates roll up targets
- Muscles worked by dead bugs
- Muscles worked by bicycle crunches
- Core muscles worked by crunches