Related Clues:

• Curves
• Gives
• Flexes
• Barre exercises
• Crouches
• River features
• Switchback features
• Abs strengtheners
• Cousins of crunches
• Some exercises
• Surfacing diver's concern, with "the"
• Six-pack developers
• Gives a little
• Exercises done while prone
• Decompression disorder