Key result
Whole-body heat acclimation increased the average finger temperature during cold-water immersion from 13.9°C to 15.5°C, potentially contributing to improved local cold tolerance.
Why the study?
The study investigated whether repeated exposure to environmental stressors known to improve aerobic performance, such as heat and/or hypoxia, could also benefit the cold-induced vasodilation response.
Does whole-body heat acclimation improve the cold-induced vasodilation response?
Does whole-body heat acclimation improve the cold-induced vasodilation response?
Absolute Event Rate: 15.5% vs 13.9%
p-value: p=0.049
Whole-body heat acclimation enhances finger vasodilation during cold exposure and improves rewarming rate, potentially improving local cold tolerance.
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May modestly aid peripheral cold responses; hypothesis-generating for tolerance and needs larger trials.
Ciuha et al. (2021) studied Healthy (n=40). Whole-body heat acclimation (HeA) vs. Pre-acclimation baseline was evaluated on Average finger temperature during cold-water immersion (p=0.049). Whole-body heat acclimation increased the average finger temperature during cold-water immersion from 13.9°C to 15.5°C, potentially contributing to improved local cold tolerance.