Figure 2From: Matrix metalloproteinase-3 inhibitor retards treadmill running-induced cartilage degradation in rats The results of GAG content in each group. Significantly lower GAG content in the HIR group was found in comparison with that in the SED group. A significant difference was found between the HIRI2 group and the HIR group. * P < 0.05 compared to SED group; # P < 0.05 compared to HIR group.Back to article page