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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/).
Amortization ratio for rectus femoris muscle (RF): (A) far proximal propagation (P2) and (B) far distal propagation (D2). The statistical significance of results is noted with an asterisk (*): * p < 0.05.