It is undisputed that the whole world is aging, although each does so differently, some live more and some have a better quality of life.
The advancement of medical science allows more people reach old age and although there are still physical and metabolic changes that are impossible to stop, have been reversed and many others make slower.
Over time some of the bodily changes that occur are presented in:
Body Composition:
After the 30 years begins a gradual loss of lean mass (mainly composed of muscles), and a relative increase in body fat mass due to an imbalance between energy intake and energy expenditure, mainly due to an increase in food intake, less physical activity and a decrease in basal metabolism.
Increased fat mass with age continues even though the total body weight begins to decrease after the 60 years old; however these changes mentioned, together with other partners also age as osteoporosis, loss of lean mass and decreased strength and mobility can be slower or even reversed by combining regular physical activity with proper nutrition.
Men reach their maximum size between 25 and 29 years and women between 16 and 29 years old; from that moment begins a gradual decline in both sexes, although faster in women.
Some causes of the decline in stature are: bone loss that occurs in the vertebrae are gradually compressing, a progressive increase in kyphosis of the spine and the lower elasticity of intervertebral discs of cartilage that form between 20% and 30 % of the total length of the column during youth.
In men weight gain occurs more significantly until about 40 years old, from there begins to gradually decrease until the 70 years when this process is accelerated.
In women the increase occurring up to 45 -50 Years when the weight is stabilized and also reach the seventh decade begins to lose.
Index Masa Corporal (IMC):
Relates weight to height and in turn shows a relatively strong correlation with the amount of body fat.
The value of BMI increases with age until about 65 years old, beyond this age begins to decrease.
Bone Mass:
Bone loss begins around the 40 years and is accented with the passing of the age which explains the tendency to fractures which tend to the elderly, particularly feminine sex.
Osteoporosis is one of the major changes that occur with age in body composition and is interpreted as a hallmark of aging.
Flexibility and Joint:
As age advances begins a progressive deterioration of flexibility due to the lack of exercise, deterioration of the joint structures and progressive damage to the collagen fibers; while joint movement decreases product of degenerative diseases, idle or some combination of the above factors.
Muscular Strength and Endurance:
The maximum muscle strength is achieved between 20 and 30 years old, is maintained until the 60 and then decreases progressively with age.
The strength loss is attributed to loss of muscle fibers forming the muscular mass; this loss is not uniform in relation to the muscular groups decreases faster as the strength of the lower limbs that the upper portion of the body.
Immune Function:
Aging is associated with adverse changes in immune function; some of the causes that can produce these changes are the reduction of habitual physical activity, inadequate or poor nutrition, smoking, chronic diseases and psychological factors such as depression mood.
With aging skin moisture and elasticity lost, Wrinkles, Slimming, becomes brittle and easily damaged.
It is important to have knowledge of the bodily changes that occur over the years to know that it is never too late to start receiving the benefits of physical activity in conjunction with proper nutrition to slow the potential deterioration, and some of them even reverse, as a healthy body composition shows benefits from the standpoint of physical and metabolic, and good physical fitness allows us to enjoy more fully and more independently of life into old age.
Andrea Vaccaro
Lic. Nutrition
La Posada Del Qenti
M.P: 1875

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