Fig. 2. (A) The percentage area of intramuscular connective tissue, (B) capillary density and (C) cross-sectional area of type I and (D) type II fibers of the rat gastrocnemius muscle after inactivity and restitution of mechanical loading (three different intensities). Values are means±s.d. Group abbreviations are as defined in Fig. 1. Significant immobilized-to-non-immobilized hindlimb differences, ^**P<0.05. For other comparisons, see text.