Related Clues:
- Muscles in 'packs'
- Situp muscles
- Short muscles?
- Six-pack contents?
- Gala discard
- Middle of an apple
- Stomach muscles, familiarly
- Targets of leg raises, informally
- Beneficiaries of exercises called Russian twists
- Prominent features on firefighter calendars
- Torso muscles
- Region that planks strengthen
- Washboard muscles
- Crunches target them
- They may be ripped with effort