3. AI questions Flashcards
What is the rate of decline in peak oxygen transport per decade from ages 25 to 65?
5 ml/kg/min
This decline is part of the physiological changes associated with aging.
What happens to body fat and glucose tolerance as individuals age?
Body fat increases and glucose tolerance decreases, leading to an increased risk for diabetes
This change typically occurs as individuals age.
How much does peak muscle force decrease from age 40 to 65?
25%
This statistic reflects changes in muscle function associated with aging.
What is the general loss of flexibility per decade of adult life?
7%
Flexibility loss can impact mobility and overall function.
At what age does the decline in bone calcium and deterioration of bone matrix begin?
25
This process accelerates for 5 postmenopausal years in women.
What are the potential beneficial effects of regular physical activity on aging?
Can delay the normal aging process by:
* 0 to 5 years
* 5 to 10 years
* 10 to 20 years
Regular physical activity can have significant positive effects on physiological aging.
What is the average decline in VO2max per decade from age 25 to 65?
5%
This decline affects aerobic capacity and overall fitness.
What factors are responsible for the decline in aerobic capacity with age?
Reduced:
* Max Cardiac Output (1% per year between 35 and 65)
* Maximal Heart Rate (5 to 10 beats per decade)
* Stroke Volume
These factors contribute to reduced physical performance in older adults.
What is the minimal VO2max for independent living in women aged 85?
15 ml/kg/min
This is crucial for maintaining independence.
True or False: Resting heart rate increases with age in older adults.
False
Resting heart rate remains largely unchanged with age.
What is the exercise intensity recommended for lowering blood pressure?
40 to 70% of VO2max or 55 to 80% of max HR
This intensity helps manage hypertension.
What decreases in the lungs between ages 30 and 70?
Vital capacity can decrease by up to 50%
This affects respiratory function and overall health.
What is sarcopenia?
Decreased muscle mass and strength
It is a significant concern in aging populations.
Which muscle fibers are first to atrophy in older adults?
Type II fibers
These fibers are important for strength and power.
What percentage of muscle power diminishes with age compared to muscle strength?
More than muscle strength
Muscle power is critical for daily activities.
What is the typical loss of flexibility between ages 30 and 70?
30 to 70%
This varies depending on the joint examined.
What are common neurological changes in aging?
Slower cognition, motor function, and sensory changes
These changes can impact independence.
What is the common expression for short-term memory loss in older adults?
Having a senior moment
This reflects the typical experience of memory changes.
Fill in the blank: The ability to develop muscle power diminishes with age to an even greater extent than ______.
muscle strength
This affects functional abilities in older adults.
