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. 2023 Jun 15;14(7):3397–3412. doi: 10.1364/BOE.488801

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Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

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Fig. 4. — The variation in the relative difference (Rel. difference %) of articular cartilage $μ_{a} (m m^{- 1})$ from $μ_{a, t h e o r e t i c a l}$ , based on the choice of the surrounding medium (air and water) over different anatomical locations: (A) FL – lateral femur group, (B) FM – medial femur group, (C) PL – lateral patella group, (D) PM – medial patella group, (E) TL – lateral tibia group, and (F) TM – medial tibia group. n is the number of samples (observations) per group per surrounding medium. The values were presented in the format of 1^st and 3^rd quartiles (shaded bands) and the median (solid curve).