Lecture 19 Flashcards
Time-related deterioration of the physiological functions necessary for survival and fertility.
Aging
According to the WHO, old age is around ____
65 years old
According to gerontologists, old age starts at ____
50 years old
What is required to biological age?
Blood and DNA analysis
What are the test used to compliment biological age by validating that a person can function at the indicated age?
Functional age
What is a great indicator to predict some conditions that arise with aging?
Walking speed
When do we start to question the health in terms of walking speed?
Less than 0.8m/s
Factors that affect quality of life and aging (6)
Mobility
Friends and relationships
Overall health
Symptoms
Everyday tasks
Anxiety and stress
Impact on health and social services budget - aging
Older adults = 45% of the budget
CA COUTE CHER A LA SOCIÉTÉ LES VIEUX
Aging-related syndrome of physiological decline, characterized by marked vulnerability to adverse health outcomes
Frailty
The more you have decreased functional abilities, the ____ a minor illness will affect you
the more
become dependent
How do we measure frailty?
Physical
Questionnaires
Scans
Performance
Easy questions to use for 5 criteria for frailty:
- Unintentional weight loss in the past year
- Slow walking speed
- Low stamina
- Weakness/tiredness
- Reduced PA
+ are they eating well?
Why do female have more loss in bone density with aging?
Hormonal changes - start decreasing by age 35
How much %/year do you loose in muscle strength starting from 40 years old vs after 65 years old?
0.8%/year starting from 40
1.5%/year after 65
What 3 things are stimulating the pituitary gland (GH)?
Stress
Exercise
Sleep
What happens to GH secretion in older adults?
Decrease AMPLITUDE
Decrease frequency (lesser extent than A)
What happens to IGF-1 with aging?
Decrease in secretion
Logiciel to assess walking cadence, length and speed
Gaitrite
What happens to gait with aging?
Decrease in walking speed
Step length differences between old and young individual
Old: shorter steps/twice as much steps
Gait speed - 0.6m/s
Rely on members who live with them for ADLs
Gait speed - 0.4m/s
Spend most of their time at home
Gait speed - 0.15m/s
Found in nursing homes with intensive care