Fig. 2

Metformin has no effect on myofiber size at 14 days. a Representative images of hematoxylin and eosin staining of the gastrocnemius muscle from sham, burn, and burn + metformin mice at 14 days post-burn injury. Images were taken at × 20 magnification. b Quantification of muscle cross-sectional area (μm²) in sham, burn, and burn + metformin at 14 days post-burn injury