Performance Test vs. Diagnostic: What Is the Difference?
A test shows you WHAT a body can do. A diagnostic shows you HOW it does it. Why that difference decides whether your Zone 2 is actually a Zone 2.
Fabian Kremser
· 8 min read
Series
A short series on performance diagnostics: a topic that seems to raise more questions than it answers. We try to shed some light on it.
2 parts
A test shows you WHAT a body can do. A diagnostic shows you HOW it does it. Why that difference decides whether your Zone 2 is actually a Zone 2.
VO2max only shows what is theoretically possible, not what your body uses. On your second lactate threshold, not even 72 recognised models agree.
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