Key result
Acute hypoxia during exercise increased blood lactate accumulation, which significantly correlated with plasma epinephrine (P<0.01) and norepinephrine (P<0.01).
Why the study?
Does acute hypoxia during exercise increase blood lactate and plasma catecholamine levels in male subjects?
Population
n=5 male subjects
Comparison
Steady exercise on a cycle ergometer at an… vs Steady exercise on a cycle ergometer at an…
Design
Other
Authors
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May link catecholamines to lactate accumulation in hypoxic exercise; hypothesis-generating and requires confirmation before clinical consideration.
Does acute hypoxia during exercise increase blood lactate and plasma catecholamine levels in male subjects?
p-value: p=<0.01
Acute hypoxia during exercise increases blood lactate accumulation, which correlates significantly with plasma catecholamine levels, suggesting a link between glycogen metabolism and sympathoadrenal activity.
Takahashi et al. (1995) studied this question. Hypoxic gas mixtures vs. Normoxia (21% O2 in N2) was evaluated on Correlation between blood lactate and plasma catecholamines (epinephrine and norepinephrine) during exercise (p=<0.01). Acute hypoxia during exercise increased blood lactate accumulation, which significantly correlated with plasma epinephrine (P<0.01) and norepinephrine (P<0.01).
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