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. 2020 Feb 20;128(5):1106–1122. doi: 10.1152/japplphysiol.00450.2019

Table 5.

Regional work done by the myofibers

Axial LV Location Subepicardium Midwall Subendocardium
Base 4.1 18.3 4.6
Center 5.6 13.2 6.2
Apex 4.3 6.9 4.7

Regional work done by the myofibers, J (in mW/mL of tissue) is the area under the fiber stress vs. strain curve (Fig. 7) at 3 axial locations and 3 transmural regions of the left ventricle (LV).