Starting at age 30 every decade your body will lose about 3% to 5% of muscle mass if you are a physically inactive person. A person who weighs 150 pounds will loss 3 – 5 pounds of muscle mass in their 30’s and then at 40 years of age there will be an acceleration in muscle loss. This continues through your 50's, 60's, 70's, etc.. This is real time aging. There is a principle called S.A.I.D., it stands for specific adaptation of the imposed demand. A simplier way of saying this, is the less activity you have the more your body will adapt to it by becoming weak and stiff. It also says if you move more, your body will adapt to it by maintaining a certain amount of strength, energy, and mobility. When this princple is applied to aging it merely says you will age much quicker if you move less than a person who moves more. The perfect example is to visit a retirement home. You might have been taught that resting your body as you age is a good thing but when you have the time to see inside a retirement home where people rest most of the time. What you would find is people bodies aging much faster. The opposite picture would be an active aging person who is running a marathon at age 80 and looks like a 60 year old, because he has aged less. This is a real time observation and conculsion drawn from what we see from the end result. This is the S.A.I.D. principle in full blown affect. Activity an exercise has a tremdous affect upon sarcopenia. Knowing how the human body ages gives us an advantage to develop programs which can maintain the quality of your life and the appearance of aging at optimal levels well into your later years and you can start at any age.
Every person should understand how their body ages and why it ages.
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