Q. Glen, What Can Exercise do for Me? I am 65 years old.
A.Whether you’re 9 or 90, abundant evidence shows exercise can enhance your health and well-being. But for many people, sedentary pastimes, such as watching TV, surfing the Internet, or playing computer and video games, have replaced more active pursuits.
What exercise can do for you
Millions of Americans simply aren’t moving enough to meet the minimum threshold for good health — that is, burning at least 700 to 1,000 calories a week through physical pursuits. The benefits of exercise may sound too good to be true, but decades of solid science confirm that exercise improves health and can extend your life. Adding as little as half an hour of moderately intense physical activity to your day can help you avoid a host of serious ailments, including heart disease, diabetes, depression, and several types of cancer, in particular breast and colon cancers. Regular exercise can help you sleep better, reduce stress, control your weight, brighten your mood, sharpen your mental functioning, and improve your sex life.
Exercise at a glance
In a nutshell, exercise can:
A well-rounded exercise program has four components: aerobic activity, strength training, flexibility, and balance exercises. Each benefits your body in a different way.
Fighting disease with aerobic activity
Aerobic exercise is the centerpiece of any fitness program. Nearly all of the research regarding the disease-fighting benefits of exercise revolves around cardiovascular activity, which includes walking, jogging, swimming, and cycling. Experts recommend working out at moderate intensity when you perform aerobic exercise. This level of activity is safe for almost everyone and provides the desired health benefits. Additional health benefits may flow from increased intensity.
Protecting bone with strength training
Strength or resistance training, such as elastic-band workouts and the use of weight machines or free weights, are important for building muscle and protecting bone.
Bones lose calcium and weaken with age, but strength training can help slow or sometimes even reverse this trend. Not only can strength training make you look and feel better, but it can also result in better performance of everyday activities, such as climbing stairs and carrying bundles. Stronger muscles also mean better mobility and balance, and thus a lower risk of falling and injuring yourself. In addition, more lean body mass aids in weight control because each pound of muscle burns more calories than its equivalent in fat.
Ease back pain with flexibility exercises
Stretching or flexibility training is the third prong of a balanced exercise program. Muscles tend to shorten and weaken with age. Shorter, stiffer muscle fibers make you vulnerable to injuries, back pain, and stress. But regularly performing exercises that isolate and stretch the elastic fibers surrounding your muscles and tendons can counteract this process. And stretching improves your posture and balance.
Preventing falls with balance exercises
Balance tends to erode over time and regularly performing balance exercises is one of the best ways to protect against falls that lead to temporary or permanent disability. Balance exercises take only a few minutes and often fit easily into the warm-up portion of a workout. Many strength-training exercises also serve as balance exercises. Or balance-enhancing movements may simply be woven into other forms of exercise, such as tai chi, yoga, and Pilates.
Any personal health questions or problems mental or physical or before starting any diet or exercise program. Please consult your physician !
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Yours in good health