Figure 3From: A new manual method for assessing elbow valgus laxity Use of a digital inclinometer to measure ER angle during extension. The ER angle during extension was the difference in the inclination of the arm holder at an extension-method ER angle of 0 degrees (A) and that of at the end range (B). A groove in the forearm region of the arm holder enabled reproducible positioning of the inclinometer and thus increased the reliability of data.Back to article page