From the nape hairline below to the spinal bone is two and a half cun (referring to the area from the posterior hairline to the third cervical vertebra where Dazhui GV14 is located).

Note: For head measurement, the distance from the anterior hairline to the posterior hairline is measured as one chi two cun. If the hairline is indistinct, measure from the midpoint between the eyebrows straight up to the Dabu BL11 bone, measuring as one chi eight cun; this is referred to as vertical cun. For horizontal cun, the distance from the inner canthus to the outer canthus of the eye is taken as one cun. The horizontal and vertical measurement methods for the head are based on these standards.

From below the laryngeal prominence to the center of Quepen (supraclavicular fossa) is four cun (this refers to the depression above Gugu SI12, which is the hollow at Tiantu CV22).

Below Quepen to the center of the chest is nine cun.

The circumference of the chest is four chi five cun.

The width between the two nipples is nine and a half cun (it should be measured as eight cun for accuracy).

From Zhongwan CV12 down to Tianshu ST25 is eight cun (Tianshu is the name of an acupoint in the Foot-Yangming Stomach Meridian, located beside the umbilicus; here it refers to the level of the umbilicus).

From Tianshu down to Henggu (pubic symphysis) is six and a half cun. The transverse length of Henggu is six and a half cun (the bone below the pubic hair is called Henggu).

Note: These are ancient measurements. When compared with current upper and lower acupoint measurement methods, they often do not coincide. It is more appropriate to adopt the later described chest and abdomen measurement method.

The width between the two thighs (bifeng) is six and a half cun (this is located in the middle of the two legs, at the ends of the Henggu bone, commonly known as the bifeng or thigh seam).

Note: For chest and abdomen measurement, vertical cun is based on the midline. Starting from Tiantu CV22 in Quepen to Zhongting CV12 at the junction of the xiphoid process, the measurement is eight chi four fen. From the lower end of the xiphoid process to the center of the umbilicus, the measurement is eight cun. From the center of the umbilicus to Qugu CV22 at the pubic hairline, the measurement is five cun. For horizontal cun, the distance between the two nipples is measured as eight cun. The horizontal and vertical measurement methods for the chest and abdomen are based on these standards.

From the lumbar spine (Lv Gu) down to the coccyx, consisting of twenty-one segments, is three chi (Lv Gu refers to the spinal column; the spinal column is small externally but large internally. The reason humans can bear weight is due to the magnitude of this bone. There are twenty-four vertebral segments in total; the mention of twenty-one excludes the three cervical segments).

The waist circumference is four chi two cun.

Note: For back measurement, from Dazhui GV14 to the coccyx, the total length is measured as three chi. The upper seven segments each measure one cun four fen one li, totaling nine cun eight fen seven li. The middle seven segments each measure one cun six fen one li, totaling one chi one cun two fen seven li. The fourteenth segment is level with the umbilicus. The lower seven segments each measure one cun two fen six li, totaling eight cun eight fen two li. The sum is two chi nine cun nine fen six li; the missing four li represents uncalculated fractions. Vertical cun is based on this standard; horizontal cun uses the middle finger proportional cun method. The internal width of the spinal column is one cun; any reference to the "second line" implies this width. One and a half cun lateral to the spine constitutes the "third line." Three cun lateral to the spine excludes the one cun of the spine itself, calculating purely based on one and a half or three cun distances. Therefore, in the second line, the distance should be considered two cun; in the third line, it should be considered three and a half cun.