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30 Cards in this Set
- Front
- Back
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What is the measure of the body's capacity to use oxygen?
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VO2
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What are the units of VO2?
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ml/kg/min
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What is the ability to work for prolonged periods of time and the ability to resist fatigue?
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Endurance
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What is the measure of O2 consumed by the myocardial muscle?
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mVO2
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What are deconditioning effects associated with bedrest?
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Decreased:
muscle mass strength CV function total blood volume plasma volume heart volume orthostatic tolerance exercise tolerance bone mineral density |
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Stress testing is usually performed on a _________.
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Treadmill
Bicycle ergometer |
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What 3 things should all deconditioned or individuals at risk should have?
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Physical Exam
Monitoring by ECG Supervision during exercise and recovery |
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What is Karvoven's formula?
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Exercise Heart Rate = HR rest + 60 – 70% (HR max – HR rest )
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What intensity (percent of max HR) is optimal for exercises lasting 20-30 minutes?
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60-70%
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What duration is optimal for high intensity exercise?
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10-15 minutes
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For severely deconditioned patients, what duration of exercise is effective?
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Three 5 minute daily periods
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What is the optimal frequency to work out?
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3-4 times/week
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What is a general rule for mode therapeutic exercise?
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Use large muscle groups
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What are goals for training for deconditioned/chronically ill patients?
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Decreased resting heart rate
Decreased exercise heart rate Decreased urinary excretion of calcium Increased stroke volume at rest and during exercise Increased cardiac output during exercise Increased lung capacity Improved oxygen uptake in lungs Increased blood volume, plasma volume, red blood cells, lean body mass. |
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What is the average heart rate of children?
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About 125 bpm
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How do children compensate for a smaller stroke volume?
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Tolerate a larger arteriovenous O2 difference
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VO2 max increases up to age ____.
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20
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What is a typical systolic BP at:
birth 1 month prior to puberty |
Birth: 40 mmHg
1 month: 80 mmHg Prior to puberty: 100 mmHg |
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What is normal respiration rate at birth?
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30/min
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What is normal respiration at 16 years old?
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16/min
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What is max muscle mass age for girls? Boys?
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Girls: 16-20 years old
Boys: 18-25 years old |
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How do children deal with anaerobic activity?
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Children demonstrate limited ability; not much improvement
with training; produce less lactic acid. |
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What is the relative SV of young adults compared to children?
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2x greater than children
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What is normal BP with young adults?
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120/80
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What is normal respiration with young adults?
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12-15 breaths/minute
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Lung capacity is much _______ in adults compared to children/
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greater
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Maximum HR ________ with age.
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decreases
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What vital sign is not influenced by age?
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Resting HR
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VO2 max decreases about 10% per decade after age _____.
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30
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Respiration rate _______ with age.
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increases
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