Fig. 1

Histological analysis of muscle sections by H&E staining. Representative effects of ECC in tibialis anterior (TA) muscles at 0 day (e, i), 1 day (f, j), 3 days (g, k) and 7 days (h, l). Effects of ECC without l-NAME (e–h). Effects of ECC with l-NAME (i–l). Serial transverse sections from control [contralateral (left) no-ECC/−l-NAME muscle] (a–d). Bar 100 μm