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. 2022 Feb 8;36(4):941–947. doi: 10.1519/JSC.0000000000004230

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Copyright © 2022 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the National Strength and Conditioning Association

This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

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Figure 2. — Setup of using the wearable RUSI biofeedback system to guide the subjects' pec fly exercise in a pec-deck machine: (A) Illustrating diagram. (B) Real experiment. RUSI = real-time ultrasound imaging.