Related Clues:

• Some musculature of Rambo's regularly on display
• Muscles stopping system
• Core parts
• Six-pack --
• Gym rat's pride
• Muscles that are crunched
• Crunchable muscles
• Core muscles
• They're sculpted in a Roman chair
• Potential aunt, for short
• Many would be happy to see theirs ripped
• What stops many newer autos: Abbr
• Crunch beneficiaries
• What crunches build
• Eight-pack set