Unmeasurable?
What does it mean on the graph when no bar (or a black gap) shows, noted as "unmeasurable?" Does that mean the stress level is so high it can't be measured...or something else?
Tom
Unmeasurable?
What does it mean on the graph when no bar (or a black gap) shows, noted as "unmeasurable?" Does that mean the stress level is so high it can't be measured...or something else?
Tom
Mostly it means that the conditions for measuring the stress level are insufficient - for example you are moving too much. For measuring the stress level, you need to be rather quiet. It could be also because the HRM has a problem locking your HR signal, but you'd see it on your HR graph too, then.