Lecture 19 Flashcards

1
Q

Time-related deterioration of the physiological functions necessary for survival and fertility.

A

Aging

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2
Q

According to the WHO, old age is around ____

A

65 years old

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3
Q

According to gerontologists, old age starts at ____

A

50 years old

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4
Q

What is required to biological age?

A

Blood and DNA analysis

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5
Q

What are the test used to compliment biological age by validating that a person can function at the indicated age?

A

Functional age

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6
Q

What is a great indicator to predict some conditions that arise with aging?

A

Walking speed

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7
Q

When do we start to question the health in terms of walking speed?

A

Less than 0.8m/s

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8
Q

Factors that affect quality of life and aging (6)

A

Mobility
Friends and relationships
Overall health
Symptoms
Everyday tasks
Anxiety and stress

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9
Q

Impact on health and social services budget - aging

A

Older adults = 45% of the budget
CA COUTE CHER A LA SOCIÉTÉ LES VIEUX

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10
Q

Aging-related syndrome of physiological decline, characterized by marked vulnerability to adverse health outcomes

A

Frailty

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11
Q

The more you have decreased functional abilities, the ____ a minor illness will affect you

A

the more
become dependent

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12
Q

How do we measure frailty?

A

Physical
Questionnaires
Scans
Performance

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13
Q

Easy questions to use for 5 criteria for frailty:

A
  • Unintentional weight loss in the past year
  • Slow walking speed
  • Low stamina
  • Weakness/tiredness
  • Reduced PA

+ are they eating well?

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14
Q

Why do female have more loss in bone density with aging?

A

Hormonal changes - start decreasing by age 35

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15
Q

How much %/year do you loose in muscle strength starting from 40 years old vs after 65 years old?

A

0.8%/year starting from 40
1.5%/year after 65

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16
Q

What 3 things are stimulating the pituitary gland (GH)?

A

Stress
Exercise
Sleep

17
Q

What happens to GH secretion in older adults?

A

Decrease AMPLITUDE
Decrease frequency (lesser extent than A)

18
Q

What happens to IGF-1 with aging?

A

Decrease in secretion

19
Q

Logiciel to assess walking cadence, length and speed

20
Q

What happens to gait with aging?

A

Decrease in walking speed

21
Q

Step length differences between old and young individual

A

Old: shorter steps/twice as much steps

22
Q

Gait speed - 0.6m/s

A

Rely on members who live with them for ADLs

23
Q

Gait speed - 0.4m/s

A

Spend most of their time at home

24
Q

Gait speed - 0.15m/s

A

Found in nursing homes with intensive care

25
Muscle mass is very important especially in the lower limbs for what
Maintaining a regular walking cycle
26
Obesity leads to ___ gait speed
LOWER
27
Physical limitations of obesity in gait (4)
Difficulty flexing and extending the lower limb Gait cycle imbalance More effort for the same distance Higher stress on joints
28
Impact of neurodegenerative diseases (parkinson, alzheimer, etc.) on walking speed and fall
Decrease walking speed Increase risk of falls
29
Walking speed evaluation tools (3)
Stopwatch Space Measuring tape
30
Gait tests that you can use (4)
4m walking test 6 minute walk Time up and go Double task test
31
Impact of going to space for astronauts
Will not bring their muscle mass back to their normal post-flight