Related Clues:

• Muscles worked in boat pose
• Muscles bared by crop tees
• Sailor's muscles
• Core assets?
• They can be sculpted and chiseled
• Muscles worked by scissor kicks
• Targets of situps
• Muscles in six-packs
• Muscles that get crunched
• Situps tighten them
• Midsection, in brief
• Crunch focus
• V-sits work them
• They get harder the more you work out
• 'Crunched' muscles