Related Clues:

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