Fig. 5From: The effect of repetitive flexion and extension fatigue loading on the young porcine lumbar spine, a feasibility study of MRI and histological analysesVisualization of the histological results. Control (a), flexion (b) and extension (c) FSUs, where the reduction of intracellular content (1) and extracellular matrix (2) are highlighted with white arrows. Sizebar in mm. Haematoxylin-eosin and Alcian blue solution stainBack to article page