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. 2014 Sep 21;20(35):12445–12457. doi: 10.3748/wjg.v20.i35.12445

Figure 1.

Figure 1

Computed tomography image at the third lumbar vertebral level. The following skeletal muscles are outlined in red: psoas, paraspinal, transverse abdominal, external oblique, internal oblique and rectus abdominis muscles. This female sarcopenia patient had an L3 (third lumbar spine) muscle index of 34.3 cm²/m².