Wrist circumference was calculated using a cloth tape measure, and 51 of the children also underwent imaging tests to precisely measure wrist bone vs. wrist fat.
使用卷尺测量手腕大小，并51名儿童亦通过影像学检测精确的测定腕骨与腕部脂肪的比例。
2
The circumference around the biggest part of the waist, while keeping the measuring tape horizontal.
腰部圆周最大部分的周长，同时保持卷尺水平。
3
Hold one end of the Measuring Tape over the plug, then wrap around the ball's circumference until the ends meet.