Related Clues:

• Body builder's concern
• Back muscle, in gym lingo
• They may be sculpted in a Roman chair
• Six-pack
• They're used in crunch time
• Opp. of longitude
• Pec neighbor
• Some Bowflex targets
• Trunk supporters
• They look better when they're ripped
• Toning targets
• Back muscle, familiarly (m)
• They're below the rotator cuff
• Core training muscles
• Objects of core workouts