Intensity-Dependent Effect of Treadmill Running on Knee Articular Cartilage in a Rat Model
Figure 4
Photomicrograph of the articular cartilage with Picrosirius red staining in SED (a), LIR (b), MIR (c), and HIR (d) groups. Collagen fibers in groups LIR and MIR exhibit the same organization as shown in group SED. However, disorganization of collagen fibers was observed in group HIR.