feature by webmd Arm toning and strengthening exercises are important throughout life, says Dan Agresti, exercise physiologist and owner of ProActive Health and Fitness in Denver. And the benefits go way beyond looking good in a tank top. Life is a lot better when you're strong," says Agresti. "It's fun to know I can do just about any task." Having upper body strength also helps us combat the physical pitfalls of our culture. "We live in such a flexed-posture society, says Lori Incledon, athletic trainer and author of Strength Training for Women. Being hunched over the computer, in front of the TV, and at the steering wheels of our cars takes a toll, she says. The shoulder girdle becomes stretched, the chest muscles get tighter, and we set ourselves up for decreased range of motion and potential injury. "We're never going to be able to reach for the cup on the highest shelf anymore" if we don't balance out our muscles with exercise, says In...
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