Histological analysis of target muscle.

<p>Light micrographs of the transverse-sectioned gastrocnemius muscle following hematoxylin and eosin staining for the operated side of the autograft group (A), L-CCH group (B), and L-CCH+OW group (C) at 12 weeks postoperatively. The average percentages of muscle fiber for each group are shown in (D). All data are expressed as the mean ± standard error of mean. *<i>P</i><0.05 for the comparison with the L-CCH group.