HEART RATE CALCULATIONS Flashcards
Who is the formula 220-age (hr max) applicable for?
healthy male, females, and children
-SD +/- 10 BPM should be considered during EX prescription
-NOT BEST FOR OLDER ADULTS
TANAKA FORMULA
208-0.7*age
What is Target Heart Rate (THR)?
Measures the intensity of work required to reach a cardiovascular training effect.
HRmax x %intensity = THR
What is heart rate reserve?
Used to describe the difference between a person’s resting heart rate and max heart rate
HRR= HRmax- HRrest
As a person becomes more fit their HRR ______?
increases
due to lower resting HR
What is the Karvonan Formula for THR and when is it beneficial to use this formula?
-takes into resting HR of individuals
-varies with fitness level
-may be most appropriate for older adults
THR= (HRmax-HRrest) (50-80%) + HRrest
50-80% Refers to intensity
-a person’s THR can change depending on their increase or decrease in level of fitness
What is the problem with the HR max formula and the tanaka HR max formula at older ages?
It incorrectly estimates HR at lower intensities like 40%, 50%, as the number that it estimates is below resting HR
this incorrectly asks someone to reduce HR with an increase in exercise intensity