Maybe I should have entitled this entry "Where we've been, where we're at, and whither we're going?" After all, it's relevant to all of us--despite the fact that even those around 30 years of age might still entertain hopes of immortality. Another alternate title might be something like "The athlete's regress."
I found the following outline at http://www.coastkinetics.com/blog/?p=189. It appears to be excerpted from notes someone took in a physiology or perhaps physical therapy course.
It doesn't present a very pretty prospectus, but I'm a realist. I already have an idea of what I'm in for health-wise as I age. I hope through exercise to at least delay some of the deterioration that goes along with aging. I realize at this stage--from first-hand experience involving my own health over the last decade or so--that I can't foil father time. But I intend to do what I can to make the aging process as graceful as possible.
Without further ado, the outline:
These are lecture notes from a course I took on aging from SFU. Although the changes in the body may make you feel a bit depressed…it can also be excellent motivation to make fitness an integral part of your life.I think this outline was probably not put together by someone in their 70's. I've definitely got the failing vision and joint problems attributed to the 6th decade (50's). I had perfect vision all my life and did not need any sort of glasses til I was in my 40's. Now, however, I'm lost--at least when it comes to reading print--without glasses. Then there's the arthritis that's cropped up in my toe over the last 3 years or so. I suspect arthritis may be developing in my right hip as well.
What happens per decade as we age?
In your 30s
· Aerobic capacity will decline by approx 1% per year, and strength may decline by 0.5% per year (after the age of 30)
· metabolism may decrease (a change in diet may be in order to maintain healthy body weight)
· flexibility will start to decrease (joint problems are common from previous injuries)
· recovery from training will not be as quick as it was in 20s
In your 40s
· by maintaining a good aerobic and strength program, retention of fitness from 30s is totally achievable
· reaction time slows by approximately 5% and coordination starts to deteriorate
· loss of fast twitch muscle fibers and ability to accelerate will diminish
· metabolism will decrease (a change in diet may be in order to maintain healthy body weight)
· flexibility will continue to decline (may experience more joint problems)
· recovery from training will be slower
· increased risk of many diseases (diabetes and heart disease)
In your 50s
· retention of fitness from 40s is possible if a solid aerobic and strength training program is followed
· reaction time slows by approximately 5% and coordination continues to deteriorate
· gradual loss of fast twitch muscle fibers and ability to accelerate quickly
· Bones will become less dense and vision may start to deteriorate
· metabolism will decrease (a change in diet may be in order to maintain healthy body weight)
· flexibility will continue to decline (may experience more joint problems)
· increased risk of many diseases
In your 60s
· retention of fitness from 50s is possible if a solid aerobic and strength training program is followed
· reaction time will slow by approximately 20% from its peak and coordination will continue to deteriorate
· continued loss of fast twitch muscle fibers and ability to accelerate quickly
· bones are less dense and vision deteriorates
· metabolism has declined and total body mass will probably decrease
· flexibility has declined (may feel more joint problems and may have arthritis)
· longer recovery time from training is needed
· exercise is key to reducing risk of disease and maintaining a reasonable level of strength and mobility
In your 70s
· the effect of aging will make it difficult to retain fitness level from 60s
· daily tasks require a significant percentage of aerobic and strength capacity
· reaction time has slowed significantly and coordination deteriorated
· considerable loss of strength and aerobic capacity
· bones less dense, vision continues to deteriorate
I don't intend to dwell on ill health and bleak outlooks, though. Off now to try and make the best I can of this 6th decade!
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