5.2.22 Forearm "fingertip length (ISO 7250 : 4.4.5)Description: Horizontal distance from the back of the elbow to the fingertips, with elbow bent at right angle. Method: Subject takes standing posture. Upper arms freely downwards, elbows are flexed at right angle, palms are faced inwards and forearms are horizontally extended. Fingers are extended. The measurement may be taken in sitting posture. Instrument: Large sliding caliper