Figure 2
From: Effect of prostaglandin E2 injection on the structural properties of the rat patellar tendon

Average daily activity counts across weekly intervals for the animals. Counts at week zero were collected before injections were started. Injections stopped after 3 weeks in the PGE2-8 wk group. * Significant difference from week 0 (pre-injection) counts independent of group.(P < 0.05).