417901.fig.001a
(a)
417901.fig.001b
(b)
417901.fig.001c
(c)
Figure 1: Biopsy samples of the gastrocnemius muscle showing examples for fibre type classification utilizing different staining methods—(a) ATPase enzymohistochemistry preincubation at pH 4.6 (classified into slow-twitch type I and fast-twitch type IIa/IIb), (b) MHCfast immunohistochemistry, (c) MHCslow immunohistochemistry (classified into slow-twitch type I and fast-twitch type II with MHC staining).