Related Clues:

• Upset Ali, passing over boxing exercises
• Core exercise system
• The way to get a six-pack? It's in drinks
• Ab strengtheners
• System of exercises I discovered in full-page book illustrations
• Ab-toning exercises
• Position a cheek upward, exercising to improve posture etc
• Crunchy movements?
• Crunches' relatives at the gym
• In error, Greek character backing exercise system
• Exercise system of irrational evening shifts?
• Exercise system intended to improve one's posture
• Set of exercises currently popular
• Exercise practiced on mats
• Core exercises