Related Clues:
- Abdominal muscles
- Focus of an 'eight-minute' workout tape
- ''Six-pack'' muscles
- Rock-hard parts, maybe
- They're hard when ripped
- Curriculum part
- Common ___
- Apple refuse
- Gymgoer's pride
- Mr. Universe shows them off
- Workout focus group?
- Apple seeds' location
- ''Washboard'' items
- Crunch-time workers?
- Body builder's concern