"Here are some ways to understand and measure the intensity of aerobic activity: relative intensity and absolute intensity.....
The level of effort required by a person to do an activity. When
using relative intensity, people pay attention to how physical activity
affects their heart rate and breathing."
Quelle: https://www.cdc.gov/physicalactivity/basics/measuring/index.html
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"Sitting time (ST) is associated with cardiovascular disease risk
factors, whereas breaking ST has been reported to be beneficial for
reducing cardiovascular risk."
Quelle: https://www.ncbi.nlm.nih.gov/pubmed/25137367
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