Regular physical activity is one of the most important
things you can do for your health. It can prevent many of the health
problems that seem to come with age. Exercise also helps you maintain
your day-to-day activities and remain independent in the future.
What happens when you are inactive?
50% of women 20% of men over the age of 50 will suffer from a fracture. Wolff’s Law: changes in bone structure coincide with changes in bone function. When the skeleton is subjected to forces, such as those that occur with exercise, it lays down more bone tissue.
Physical capacity decreases dramatically with age in non-strength trained adults do to average 5 lb/ decade loss (.5 lb/year) of muscle tissue atrophy. This in turn lowers RMR by 3% /decade.
Exercise unleashes a cascade of neuro-chemicals and growth factors that can physically bolster the brain’s infrastructure. In fact, the brain responds like muscles do, growing with use, withering with inactivity.
. . . but I’m a very busy - isn't that enough?
Remember, benefits result when exercise raises your heart rate and works muscles. Non-exercise activity such as washing dishes, running errands and leisure hobbies are important, but may not offer enough aerobic or muscle strengthening exercise to produce benefits.