Related Clues:
- A spare tire hides them
- Six-pack parts
- Reverse crunches work them
- Planking muscles
- Muscles targeted by bicycle crunches
- What some gym reps work
- 78 Across muscles
- Muscles used while doing deadbugs
- Plank jacks work them
- Muscles worked by flutter kicks
- “Washboard” muscles
- They're found near traps
- Muscles worked in boat pose
- Muscles bared by crop tees
- Sailor's muscles