Related Clues:

• What a Bowflex may strengthen
• Muscles near lats
• Six-pack group
• Bench presses build them, for short
• 'Six-pack'
• Core muscles, briefly
• Muscles targeted by crunches
• What sit-ups build
• What bench presses build
• Corporeal stabilizers
• Atlas display
• Crunches work them
• Muscles targeted in core workouts
• Muscles used in a Russian twist, for short
• Midsection muscles