Fig. 1From: Modulating effects of exercise training regimen on skeletal muscle properties in female polo poniesImmunohistochemical staining of transverse sections of gluteus medius muscle from polo ponies at L period with monoclonal antibody against (a) MHC IIa, and IIx (fast myosin), (b) MHC IIa (SC-71), and (c) MHC all but IIx (BF-35). Muscle fibers are identified as type I (unstained in a and b), type IIa (dark brown stain in b) type IIa/x (light stain in b and c), and type IIx (unstained in c). Scale bars = 50 μmBack to article page