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. 2021 Dec 8;13(1):169–179. doi: 10.1002/jcsm.12862

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© 2021 The Authors. Journal of Cachexia, Sarcopenia and Muscle published by John Wiley & Sons Ltd on behalf of Society on Sarcopenia, Cachexia and Wasting Disorders.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Sonographic muscle quantification. Transversal sonographic B‐mode section (A) acquired at the height of the iliac cristae. The lower kidney pole, psoas muscle thickness (PMT), psoas muscle area (PMA) and vertebrae are indicated. Transversal sonographic B‐mode section (B) of the upper thigh middle, showing the thigh muscle group (Musculus vastus intermedius, Musculus rectus femoris) and the femur. Thigh muscle thickness without compression (TMT) and with compression (cTMT) by the sonography probe are indicated. All morphometric variables are obtained from a person in supine position.