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. 2023 Sep 19;4:e24. doi: 10.1017/wtc.2023.19

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© The Author(s) 2023

This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.

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Figure 3. — Normalized heart rate without (NE) and with (E) the exoskeleton. Boxplots comprise data from 30 participants. Whiskers are set to 1.5 IQR (interquartile range). Points indicate the outliers. Crosses indicate the mean normalized heart rate. HRR, heart rate reserve; WP1–3, Workplace 1–3; AVG, averaged normalized heart rate across all workplaces.

Inline graphic — Normalized heart rate without (NE) and with (E) the exoskeleton. Boxplots comprise data from 30 participants. Whiskers are set to 1.5 IQR (interquartile range). Points indicate the outliers. Crosses indicate the mean normalized heart rate. HRR, heart rate reserve; WP1–3, Workplace 1–3; AVG, averaged normalized heart rate across all workplaces.