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Austin, Texas Nineteen-year-old Hispanic male works out in modern gym with female personal trainer to improve power and reaction time by tossing weighted ball. September 2004 ©Bob Daemmrich Stock Photo - Alamy
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Austin, Texas: Female housewife, late 20's, doing boxing practice in modern gym with female personal trainer to improve upper-body strength and reaction time. September 2004 ©Bob Daemmrich Stock Photo - Alamy
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