Possible Clues:

• Become alert for crunch
• Means to deal with corporation, maybe, and postpone retirement
• Keep-fit movement
• Part of exercise is put back?
• Fitness-test iteration
• Abs worker
• Looking back, Russian leader loses nerve initially with Ukrainians on border - it's part of the exercise!
• Keep-fit exercise
• Tummy exercise
• Looking back, Russian leader loses nerve initially with extreme Ukrainians - it's part of the exercise!