Fig. 1From: Comparative study on three different methods for arm-span measurement: the Japan environment and Children’s study pilotThe methods of arm span measurement. a No-Wall. With heels together, the child stretches the arms out to the sides. b Wall & No-Line. The child stands against the wall with heels together and spreads the arms against the wall. c Wall & Line. The method is the same as B except that a paper with horizontal lines is placed on the wallBack to article page