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. 2023 May 25;23(11):5080. doi: 10.3390/s23115080

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Examples of sensors used during climbing. Movement sensors: (a) Hexoskin biometric shirt with accelerometer inside hip pocket (green), (b) MotionPod IMU attached to various body segments (red), (c) Pedar-X force sensors within shoe insoles (red), (d) motion capture system with external camera, reflective body markers (red). Respiration sensors: (a) Hexoskin biometric shirt with thoracic and abdominal chest band displacement sensors (blue), (e) METAMAX 3B with face mask and chest-mounted data collection system. Eye gazing sensor: (f) Tobii Pro Glasses with eye tracking cameras (red) and scene camera (green). Heart sensors: (a) Hexoskin biometric shirt with three flexible ECG sensors (red), (g) Polar monitor with chest band ECG sensors (red). Skeletal muscle sensors on forearm (red): (h) EMG electrodes, (i) PortaMon with NIRS sensor.