Place the zero point of the tape on cervicale . Exert only enough pressure to prevent slack in the tape. The measurement is taken at the maximum point of quiet respiration. Be sure that the head is in the Frankfort plane and that the zero point of the tape is on the cervicale landmark when the measurement is made. The measurer may have to hold the tape against the subject s back to maintain skin contact.
Subject is in the anthropometric standing position in front of a mirror.
Use the mirror to check the position of the tape as it crosses the subject's back. Exert only enough tension on the tape to maintain contact between the tape and the skin. The measurement is made at the maximum point of quiet respiration. The subject must not tense the abdominal muscles. Subject is in the anthropometric standing position in front of a mirror.