Research
Energy balance
Maximal heart rate was significantly higher during the increasing speed protocol (PSP) compared to the increasing elevation protocol (PIP) or the MST.
Higher heart rates during PSP suggest it may be a more intense protocol for assessing cardiovascular fitness.
StrongSupportsmedium confidence
Maximal heart rate was significantly higher (p < 0.01) during PSP compared to that in either PIP or MST.
Why this rating
The claim is supported by statistical significance.
Source
PREDICTION OF MAXIMAL OXYGEN UPTAKE FROM A 20-M SHUTTLE RUN AND MEASURED DIRECTLY IN RUNNERS AND SQUASH PLAYERS 873
A. St Clair Gibson et al. · Medicine & Science in Sports & Exercise · 1997
DOI 10.1097/00005768-199705001-00872
other · n=20
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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