Eur J Appl Physiol
DOI 10.
1007/s00421-008-0738-2
123
ORIGINAL ARTICLE
Neuromuscular fatigue is greater following highly variable versus
constant intensity endurance cycling
Jean Theurel · Romuald Lepers
Accepted: 25 March 2008
© Springer-Verlag 2008...
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Eur J Appl Physiol
DOI 10.
1007/s00421-008-0738-2
123
ORIGINAL ARTICLE
Neuromuscular fatigue is greater following highly variable versus
constant intensity endurance cycling
Jean Theurel · Romuald Lepers
Accepted: 25 March 2008
© Springer-Verlag 2008
Abstract The present study compared neuromuscular
fatigue of the knee extensor muscles following highly variable versus constant power output cycling.
Ten subjects
performed two 33-min cycling trials of the same average
power output, in a random order.
Cycling exercise was performed either at constant (CST) power output, corresponding to 70% of the maximal aerobic power (MAP), or at
variable (VAR) power output with alternating high (200,
150 and 100% of MAP during 10, 15 and 20 s, respectively) and moderate (50% of MAP) power output periods.
Neuromuscular tests were performed before and immediately after the two trials.
Heart rate (HR) was measured
during exercise and blood lactate concentration ([La]) at the
end of both trials.
Reduc
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