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. 2022 Jul 8;13:842612. doi: 10.3389/fphys.2022.842612

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Copyright © 2022 Kelly, Arrington, Bernards and Jensen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Changes in Hand Temperature across a 9-h Dive for PG2A and PG2B (A) and PG1 (B) divers. Changes in hand temperature for each diver across each dive are represented. PG2B are depicted as solid lines; and PG2A are depicted as dashed lines. The red dashed line represents the 10°C, the point of risk for non-freezing cold injuries. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001; * = PG2A, + = PG2B. All comparisons are in relation to Hour 0. Trend line created using loess function with standard error band.