Related Clues:

• Don't slouch, taking drink to swallow it
• Keep-fit exercise
• Is put about, made to beg like a dog
• Upward throw of heavy ball is form of exercise
• One's back put out - by this exercise?
• Stay downstairs late, and suddenly become alert
• It takes physical effort not to crash
• 'Tis, we deduce, to keep going beyond 15?
• Means to deal with corporation, maybe, and postpone retirement
• Keep-fit movement
• Looking back, Russian leader loses nerve initially with extreme Ukrainians - it's part of the exercise!
• Is put back, to become alert
• Take notice, but don't retire
• Become alert when something is dropped into drink
• You may be urged to take notice after this exercise