Related Clues:

• They're big on bodybuilders
• Gym rat's 'six-pack'
• Blood groups
• Rock-hard ones might be a turn-on
• Sit-ups' targets
• Pride of the pumped-up
• Sit-up focus
• Lifter's pride
• They're crunched in a workout
• Braking sys
• They're ripped on some calendars
• Bowflex target
• Muscles above the abs
• Muscleman's asset
• Awfully shy, taking umbrage about figure