Related Clues:
- Targets of leg raises, informally
- Beneficiaries of exercises called Russian twists
- Prominent features on firefighter calendars
- Torso muscles
- Washboard muscles
- Crunches target them
- They may be ripped with effort
- Scissor kicks work them
- Rock-solid body parts for a bodybuilder
- Front muscles
- Body parts sometimes compared to steel
- Core components?
- What Pilates may strengthen
- They're used in a crunch
- Scissor kick muscles