Key result
Conconi's heart rate threshold overestimates power output, with only ~10% maintaining lactate steady state.
Why the study?
The validity of Conconi's heart rate threshold (ATHR) for determining the anaerobic threshold during rowing ergometry was uncertain.
Does Conconi's heart rate threshold accurately reflect the anaerobic threshold compared to lactate methods in young rowers?
Population
10 young rowers (mean age 17.5 years)
Comparison
Conconi's heart rate threshold (ATHR) vs lactate method thresholds (AT4 and IAT)
Design
Randomized cross-over progressive incremental exercise tests on rowing ergometer
Follow-up
48-72 hours between tests
Authors
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May not support routine ATHR use in rowers; leaves open validity pending larger trials.
RCT (n=10)
at random
Does Conconi's heart rate threshold accurately reflect the anaerobic threshold compared to lactate methods in young rowers?
p-value: p=<0.01
The Conconi heart rate threshold overestimates power output and does not accurately reflect the anaerobic threshold, making it unsuitable for prescribing endurance training in rowing.
Bourgois et al. (1998) conducted an RCT in Healthy young rowers (n=10). Conconi's heart rate threshold (ATHR) test vs. Lactate method (AT4 and IAT) was evaluated on Power output, heart rate at threshold, and lactate steady state during a 30 min prolonged exercise test (p=<0.01). Power output at Conconi's heart rate threshold is overestimated, with only 4 of 10 rowers completing a 30-minute test at ATHR power output and only 1 maintaining a lactate steady state.
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