Fig. 1From: Injury and training history are associated with glenohumeral internal rotation deficit in youth tennis athletesCorrelation matrix. Strong correlations are displayed in green and weak correlations in red. The form of the circle depicts the variance explanation; the slope highlights the direction of effects. Colour intensity and the form of the circle are proportional to the correlation coefficients. a dominant to non-dominant difference; b clinical relevance of a GIRD; *correlation is significant at the .05 level; ** correlation is significant at the .01 levelBack to article page