Fig. 2From: The influence of long distance running on sonographic joint and tendon pathology: results from a prospective study with marathon runnersCorrelation matrix of effusion in knee and ankle, patellar tendon hypervascularity and covariates. Positive correlations in blue, negative correlations in red, size of circles illustrates strength of correlation. Significant correlations framed in red (PTH - patellar tendon hypervascularity, BMI - body mass index)Back to article page