诸本无篇字。
伯高曰（止）脉度定矣 志云。此言经脉之长短。从骨节之大小广狭长短而定其度数。故曰骨为
干。脉为营。如藤蔓
之营附于木干也。
众人之度 人长七尺五寸 张云。此言欲知脉度者。必先求骨度以察其详也。众人者。众人之常
度也。常人之长。多以七尺五寸为率。如经水篇岐伯云。八尺之士。周礼考工记亦曰。人长八尺。乃指伟人之
度而言。皆古黍尺数也。黍尺一尺。得今曲尺八寸。志云。长七尺五寸者。上古适中之人也。
头之大骨 围二尺六寸 张云。围、周遭也。简案、头骨于耳尖上周遭而度之。
胸围 张云。此兼胸胁而言也。缺盆之下。两乳之间为胸。
腰围 张云。平脐周遭曰腰。志云。此胸骨。腰骨围转一周之总数也。简案、平脐周遭无骨。此盖
谓腰髋骨之周遭。
发所覆者颅至项尺二寸 马云。此言仰人之骨度。盖纵而数之也。颅、头颅也。颅之皮生发。发所覆
者即颅也。张云。发所覆者。谓发际也。前发际为额颅。后发际以下为项。前自颅。后至项。长一尺二寸。图
翼云。如发际不明。则取眉心直上。后至大杼骨。折作一尺八寸。
发以下至颐 马云。颔下为颐。发际以下至颐。长一尺。
男子终折 男诸本作君。当改。甲乙作君子参折。注云。一作三。又作终。马云。言士君子之面部。
三停齐等。可以始中终而三折之也。众人未必然耳。张云。终、终始也。折、折衷也。言上文之约数虽如此。
然人有大小不同。故君子当约其终始。而因人以折衷之。此虽指头胸为言。则下部亦然矣。简案、据甲乙马三
停之解。似是。
结喉以下至缺盆中 张云。舌根之下。肺之上系。屈曲外凸者为结喉。膺上横骨为巨骨。巨骨上陷
中为缺盆。图翼云。即天突穴处。
缺盆以下（止）肺小 张云。 KT 一名鸠尾。一名尾翳。蔽心骨也。缺盆之下。鸠尾之上。是为胸。
肺脏所居。故胸大则肺亦大。胸小则肺亦小也。
KT 以下至天枢 张云。天枢在脐旁二寸。足阳明经穴。自 KT 之下。脐之上。是为中焦。胃
之所居。故上腹长大者。胃亦大。上腹短小者。胃亦小也。图翼云。天枢足阳明穴名。在脐旁。此指平脐而言。
简案、至真要大论云。半、所谓天枢也。王 注。身之半。正谓脐中也。
天枢以下至横骨 张云。横骨阴毛中曲骨也。自天枢下至横骨。是为下焦。回肠所居也。故小腹长
大者。回肠亦大。小腹短狭者。回肠亦小也。
横骨长六寸半（止）长一尺八寸 张云。横骨横长六寸半。一曰七寸半。廉、隅际也。内辅、膝间内
侧大骨也。亦曰辅骨。
三寸半 张云。此言辅骨之上下隅也。
内辅下廉下至内踝 马云。足跟前两旁起骨为踝。在外为外踝骨。在内为内踝骨。李时珍云。踝足
螺蛳骨也。志云。内辅内踝者。以足八字分立。则内骨偏向于面也。
膝 以下至跗属 图翼云。 、腿湾也。跗、足面也。膝在前。 在后。跗属者。凡两踝前后胫掌
所交之处。皆为跗之属也。
故骨横（止）不及 张云。凡上文所言。皆中人之度。其有大者过之。小者不及也。下文同法。
角以下至柱骨 张云。此下言侧人之纵度也。角、头
侧大骨耳上高角也。柱骨、肩骨之上颈项之根也。
行腋中不见者 张云。此自柱骨下通腋中。隐伏不见之处。
季胁 张云。胁下尽处。短小之肋。是为季胁。季、小也。
髀枢 张云。足股曰髀。髀上外侧骨缝曰枢。此运动之机也志云。在臀之两旁。即足少阳之环跳穴处。
膝中 张云。言膝外侧骨缝之次。志云。膝盖骨内之中分。
京骨 张云。足太阳穴名。在足小趾本节后。大骨下赤白肉际陷中。
耳后当完骨 张云。此言耳后之横度也。耳后高骨曰完骨。足少阳穴名。入发际四分左右。相去广九寸。
志云。从耳以至于脑后也。广、横阔也。
耳前当耳门（止）广六寸半 张云。此言仰人之横度也。耳门者。即手太阳听宫之分。目下高骨为颧。
两髀之间。言两股之中横骨两头尽处也。图翼云。横骨两头之处。俗名髀缝。七寸。甲乙作九寸半。注云。九
墟作七寸。
肩至肘 张云。肩、肩端也。臂之中节曰肘。
肘至腕 张云。臂掌之节曰腕。
中指本节 志云。本节者指掌交接之骨节。末者、指尖也。
项发以下至背骨 背、甲乙作脊。二寸半作三寸半。马云。此言伏人之骨度也。张云。项发、项后
发际也。背骨、除项骨之外。以第一节大椎骨为言也。
膂骨以下（止）分之七 甲乙。膂、作脊。四分分之一。作四分分之七奇分之一。张云。膂骨、脊骨也。
项脊骨共二
十四椎。内除项骨三节。膂骨自大椎而下至尾 。计二十一节。共长三尺。上节各长一寸四分分之一。即一寸
四分一厘也。故上之七节。共长九寸八分七厘。其有余不尽之奇分。皆在下部诸节也。简案、本节详论上七节
之度数。而不及八节以下。考神应经云。中七椎。每椎一寸六分一厘。十四椎与脐平。共二尺一寸一分四厘。
（图翼作一尺一寸二分七厘是）下七椎。每椎一寸二分六厘。（图翼云共八寸八分二厘总共二尺九寸九分六厘
不足四厘者有零未尽也）
此众人骨之度也 简案、计其大概。伏人八尺二寸五分。仰人七尺五寸。侧人七尺一寸。
是故（止）多气也 甲乙。气下有乃经之长短五字。张云。此结首节而言。因骨度以辨经络。乃可察
其血气之盛衰也。简案、此一节与骨度不相涉。疑是他篇错简。
各版本均无“篇”字。
伯高说（直到）脉度确定。《灵枢识》注释云：这是论述经脉的长短，根据骨节的大小、宽窄、长短来确定其度数。所以说骨骼是主干，经脉是营气运行的通道，就像藤蔓依附于树木主干一样。
一般人的尺寸：人身长七尺五寸。张景岳注云：这是说想要了解脉度的人，必须先探求骨度来观察详细情况。“众人”是指一般人的常规尺寸。常人的身高，多以七尺五寸为标准。如《经水篇》中岐伯说：“八尺之士”，《周礼·考工记》也说：“人长八尺”，这都是指伟人的尺寸而言，都是古代的黍尺数值。黍尺一尺，相当于现在的曲尺八寸。《灵枢识》注释云：身长七尺五寸的是上古时期适中身材的人。
头部大骨的周长：二尺六寸。张景岳注云：围，指周遭一圈。简案：在耳尖上方围绕头部测量骨围。
胸部的周长：张景岳注云：这里兼指胸和胁。缺盆穴下方、两乳之间称为胸。
腰部的周长：张景岳注云：与肚脐平齐周围称为腰。《灵枢识》注释云：这是指胸骨和腰骨环绕一周的总长度。简案：与肚脐平齐处没有骨头，这大概是指腰髋骨周围的周长。
头发覆盖的范围从颅顶到项部为一尺二寸：马云注云：这是说仰面之人的骨度，是纵向测量的。颅，即头颅。头颅上生长头发，头发所覆盖的地方就是颅顶。张景岳注云：头发所覆盖的范围，是指发际线。前发际为额颅，后发际以下为项部。从前额颅顶到后项部，长度为一尺二寸。《医宗金鉴·刺灸心法要诀》（图翼）云：如果发际不明确，则取眉心直上，直到大杼骨，折算为一尺八寸。
头发以下到下巴：马云注云：下巴下方称为颐。从发际线以下到下巴，长度为一尺。
男子面部三停齐等：男性各版本原文作“君”，应当改为“终”。《甲乙经》作“君子参折”，注解云：一作“三”，又作“终”。马云注云：指士君子的面部，三停高度相等，可以从始、中、终三部分三等分。一般人未必如此。张景岳注云：终，指始终；折，指折衷。意思是上文所述的约数虽然如此，但人有大小不同，所以君子应当斟酌其始终，因人制宜进行折衷。这虽然主要指头胸部而言，下部也是如此。简案：依据《甲乙经》和马莳关于“三停”的解释，似乎是正确的。
喉结以下到缺盆穴中间：张景岳注云：舌根之下，肺之上系，弯曲外凸的部分称为结喉。胸前横骨为巨骨，巨骨上方的凹陷处为缺盆穴。《医宗金鉴》云：即天突穴所在处。
缺盆穴以下（直到）肺脏大小：张景岳注云：鸠尾穴又名尾翳，是遮蔽心脏的胸骨剑突。缺盆穴下方，鸠尾穴上方，称为胸部。这里是肺脏居住的地方，所以胸部宽大则肺也大，胸部狭小则肺也小。
鸠尾穴以下到天枢穴：张景岳注云：天枢穴位于脐旁二寸，属足阳明胃经穴位。自鸠尾穴下方、脐孔上方，称为中焦，是胃居住的地方，所以上腹部长大者，胃也大，上腹部短小者，胃也小。《医宗金鉴》云：天枢是足阳明胃经的穴位名，在脐旁。这里指平脐的位置。简案：《素问·至真要大论》云：“半，所谓天枢也。”王冰注云：身体的一半，正指脐中位置。
天枢穴以下到横骨：张景岳注云：横骨位于阴毛中的曲骨穴处。从天枢穴向下到横骨，称为下焦，是回肠居住的地方，所以小腹部长大者，回肠也大，小腹部短狭者，回肠也小。
横骨长度六寸半（直到）长度一尺八寸：张景岳注云：横骨横向长度六寸半，另一种说法是七寸半。廉，指棱角边缘。内辅，指膝盖内侧的大骨，也称为辅骨。
三寸半：张景岳注云：这是指辅骨上下两端之间的距离。
内辅骨下缘到内踝：马云注云：足跟前两旁隆起的骨头称为踝。在外侧的为外踝骨，在内侧的为内踝骨。李时珍云：踝是足部的螺蛳骨。《灵枢识》注释云：内辅和内踝，因为双脚呈八字形分立，所以内侧骨头偏向身体前面。
膝盖以下到跗属：《医宗金鉴》云：腘窝，即腿弯处。跗，指足背。膝在前，腘在后。跗属，指两个脚踝前后以及小腿胫骨与足掌交接的所有部位，都归属于跗部。
所以骨骼横向（直到）不及标准：张景岳注云：以上所述，都是中等身材人的尺寸。那些体型大的超过这个尺寸，小的不及这个尺寸。下文同理。
头角以下到柱骨：张景岳注云：下面说的是侧面之人的纵向尺寸。角，指头部侧面耳上高耸的骨头。柱骨，指肩骨上方颈项的根部。
经过腋中看不见的部分：张景岳注云：这是从柱骨下方通向腋中，隐藏看不见的部位。
季胁：张景岳注云：胁肋的下端尽头，短小的肋骨，称为季胁。季，意为小。
髀枢：张景岳注云：大腿称为髀，髀上外侧的骨缝称为枢，这是运动的枢纽。《灵枢识》注释云：在臀部两旁，即足少阳胆经环跳穴处。
膝中：张景岳注云：指膝盖外侧骨缝的次级位置。《灵枢识》注释云：膝盖骨内部的中分线。
京骨：张景岳注云：足太阳膀胱经穴位名，在足小趾本节后，大骨下赤白肉际的凹陷处。
耳后对应完骨：张景岳注云：这是说耳后的横向尺寸。耳后高骨称为完骨，也是足少阳胆经穴位名，入发际约四分左右，两侧相距九寸宽。《灵枢识》注释云：从耳朵一直到脑后。广，指横向宽度。
耳前对应耳门（直到）宽六寸半：张景岳注云：这是说仰面之人的横向尺寸。耳门，即手太阳小肠经听宫穴的分野。眼下高骨为颧骨。两髀之间，指两股中间横骨两头尽头之处。《医宗金鉴》云：横骨两头之处，俗名髀缝，七寸。《甲乙经》作九寸半，注解云：《九墟》作七寸。
肩部到肘部：张景岳注云：肩，指肩端。手臂的中节称为肘。
肘部到手腕：张景岳注云：手臂手掌连接的关节称为腕。
中指本节：《灵枢识》注释云：本节是指手指与手掌交接的骨节。末，指尖。
颈部头发以下到背骨：背，《甲乙经》作脊。二寸半作三寸半。马云注云：这是说伏卧之人的骨度。张景岳注云：项发，指项后发际。背骨，除项骨之外，以第一节大椎骨为准。
膂骨以下（直到）分为七份：《甲乙经》中，膂，作脊。四分分之一，作四分分之七奇分之一。张景岳注云：膂骨，即脊骨。项部和脊骨共有二十四椎，其中除去项骨三节，膂骨自大椎以下到尾骶，共计二十一节，总长三尺。上节每节长一寸四分一厘。所以上面的七节，共长九寸八分七厘。其余不尽的零头，都在下部各节中。简案：本节详细论述了上面七节的度数，而没有涉及第八节以下。考证《神应经》云：第七椎，每椎一寸六分一厘，第十四椎与脐平，共二尺一寸一分四厘。（《医宗金鉴》作一尺一寸二分七厘是错误的）下七椎，每椎一寸二分六厘。（《医宗金鉴》云共八寸八分二厘，总共二尺九寸九分六厘，不足四厘有零未尽）
这是一般人的骨骼尺寸：简案：计算其大概，伏卧之人八尺二寸五分，仰面之人七尺五寸，侧面之人七尺一寸。
因此（直到）多气：《甲乙经》中，“气”字下有“乃经之长短”五个字。张景岳注云：这是总结第一节的内容，通过骨度来辨别经络，才能观察血气的盛衰。简案：这一节与骨度无关，怀疑是其他篇章错乱的简牍混入。
All versions lack the character "Pian" (Chapter).
Bo Gao stated (until) the Mai Du (Meridian Lengths) were determined. The commentary in *Lingshu Shi* states: This discusses the lengths of the meridians, determining their measurements based on the size, width, and length of bone joints. Therefore, it is said that bones are the trunk (*gan*), and meridians are the pathways for Ying Qi (Nutritive Qi) circulation, similar to vines attaching to a tree trunk.
Dimensions of an average person: The human body is seven chi five cun in height. Zhang Jingyue's annotation states: This means that those who wish to know the Meridian Lengths must first seek the Gu Du (Bone Measurements) to observe the details. "Zhongren" (Average people) refers to the standard dimensions of ordinary individuals. The height of ordinary people is mostly taken as seven chi five cun as a rule. As Qibo said in the *Jing Shui Pian* (Chapter on Water and Meridians): "An eight-chi tall man," and *Zhou Li · Kao Gong Ji* also states: "Humans are eight chi tall." These refer to the dimensions of great men, all using ancient millet rulers. One millet chi equals eight modern carpenter's cun. The commentary in *Lingshu Shi* states: Those with a height of seven chi five cun represent the average-sized people of ancient times.
Perimeter of the major bones of the head: Two chi six cun. Zhang Jingyue's annotation states: Wei (Perimeter) refers to the circumference around. Jian An notes: Measure the bone perimeter around the top of the head above the ear tips.
Perimeter of the chest: Zhang Jingyue's annotation states: This includes both the chest and the hypochondrium. The area below the Quepen acupoint (ST12, Supraclavicular Fossa) and between the two breasts is called the chest.
Perimeter of the waist: Zhang Jingyue's annotation states: The area level with the umbilicus and surrounding is called the waist. The commentary in *Lingshu Shi* states: This refers to the total circumference of the thoracic and lumbar vertebrae. Jian An notes: There are no bones at the level of the umbilicus; this likely refers to the circumference of the pelvic bones (iliac crest).
The area covered by hair from the cranium to the nape is one chi two cun: Ma Yi's annotation states: This describes the bone measurements of a supine person, measured longitudinally. Lu (Cranium) refers to the skull. Hair grows on the skull; the area covered by hair is the cranium. Zhang Jingyue's annotation states: The area covered by hair refers to the hairline. The anterior hairline is the frontal cranium, and the area below the posterior hairline is the nape. From the anterior cranium to the posterior nape, the length is one chi two cun. *Yizong Jinjian* (Illustrated Classic) states: If the hairline is unclear, measure from the midpoint of the eyebrows straight up to the Dazhu acupoint (BL11), calculated as one chi eight cun.
From the hairline down to the chin: Ma Yi's annotation states: The area below the mandible is called Yi (Chin). From the hairline down to the chin, the length is one chi.
Three equal divisions of the male face: Male versions originally read "Jun," which should be corrected to "Zhong" (End/Finish). *Jia Yi Jing* reads "Junzi Can Zhe," with annotations stating: One version says "San" (Three), another says "Zhong." Ma Yi's annotation states: This refers to the faces of scholars and gentlemen, where the three sections (upper, middle, lower) are equal in height, allowing them to be divided into three equal parts starting from the beginning, middle, and end. This is not necessarily true for everyone. Zhang Jingyue's annotation states: Zhong refers to the beginning and end; Zhe refers to compromise or adjustment. It means that although the approximate numbers mentioned above apply, people vary in size. Therefore, a gentleman should consider the beginning and end and adjust accordingly based on the individual. Although this mainly refers to the head and chest, the same applies to the lower body. Jian An notes: Based on the interpretations of "three divisions" in *Jia Yi Jing* and Ma Yi, this seems correct.
From the Adam's apple (Jiehou) down to the center of the Quepen acupoint: Zhang Jingyue's annotation states: Below the root of the tongue and above the upper connection of the lungs, the curved and protruding part is called Jiehou (Adam's apple). The transverse bone on the chest is the Jugu bone. The depression above the Jugu bone is the Quepen acupoint (ST12). *Yizong Jinjian* states: This is the location of the Tiantu acupoint (CV22).
From Quepen down (until) the size of the lungs: Zhang Jingyue's annotation states: Jiutui acupoint (CV15), also known as Weiyi, is the xiphoid process shielding the heart. Below Quepen and above Jiutui is the chest. This is where the Lung resides. Therefore, if the chest is large, the lung is large; if the chest is small, the lung is small.
From Jiutui down to Tian Shu: Zhang Jingyue's annotation states: Tian Shu (ST25) is located two cun lateral to the umbilicus, an acupoint of the Foot-Yangming Stomach Meridian. From below Jiutui to above the umbilicus is the Middle Jiao, where the Stomach resides. Thus, if the upper abdomen is long and large, the stomach is large; if the upper abdomen is short and small, the stomach is small. *Yizong Jinjian* states: Tian Shu is the name of a Foot-Yangming acupoint, located beside the umbilicus. Here it refers to the level of the umbilicus. Jian An notes: *Suwen · Zhi Zhen Yao Da Lun* states: "Ban (Half), referred to as Tian Shu." Wang Bing's annotation states: The half of the body precisely refers to the umbilicus.
From Tian Shu down to Henggu (Transverse Bone): Zhang Jingyue's annotation states: Henggu is the Qugu acupoint located in the pubic hair region. From Tian Shu down to Henggu is the Lower Jiao, where the Ileum resides. Thus, if the lower abdomen is long and large, the ileum is large; if the lower abdomen is short and narrow, the ileum is small.
Henggu length is six and a half cun (until) length is one chi eight cun: Zhang Jingyue's annotation states: Henggu has a transverse length of six and a half cun; another version says seven and a half cun. Lian refers to the edge or corner. Neifu refers to the large bone on the medial side of the knee, also called Fugu.
Three and a half cun: Zhang Jingyue's annotation states: This refers to the distance between the upper and lower corners of the Fugu bone.
From the lower margin of the Neifu to the internal malleolus: Ma Yi's annotation states: The bones rising on both sides behind the foot are called Ankle (Huai). The one on the outside is the external malleolus, and the one on the inside is the internal malleolus. Li Shizhen states: Huai is the snail-shaped bone of the foot. The commentary in *Lingshu Shi* states: Regarding the Neifu and internal malleolus, because the feet stand apart in an 'eight' shape, the inner bones lean towards the front.
From the knee down to the Shu Shu (Dorsal attachment): *Yizong Jinjian* states: Nuo refers to the popliteal fossa (back of the knee). Fu refers to the dorsum of the foot. The knee is anterior, and Nuo is posterior. Shu Shu refers to all areas where the ankles, tibia, and sole intersect, belonging to the Fu region.
Therefore, bone transverse (until) less than standard: Zhang Jingyue's annotation states: All the measurements mentioned above refer to average-sized people. Those larger exceed these measurements, and those smaller fall short. The following text follows the same method.
From the temporal angle down to the Zhu Gu (Pillar Bone): Zhang Jingyue's annotation states: The following describes the longitudinal measurements of a person viewed from the side. Jiao (Angle) refers to the prominent bone on the side of the head above the ear. Zhu Gu refers to the root of the neck above the shoulder bones.
The part passing through the axilla that is not visible: Zhang Jingyue's annotation states: This is the hidden part extending from below the Zhu Gu into the axilla.
Ji Xie (Quarter Ribs): Zhang Jingyue's annotation states: The lowermost end of the costal arch, consisting of short ribs, is called Ji Xie. Ji means small.
Bi Shu (Hip Pivot): Zhang Jingyue's annotation states: The thigh is called Bi. The bony groove on the lateral upper aspect of the thigh is called Shu, which is the pivot of movement. The commentary in *Lingshu Shi* states: Located on both sides of the buttocks, corresponding to the Huantiao acupoint (GB30) of the Foot-Shaoyang Gallbladder Meridian.
Middle of the Knee: Zhang Jingyue's annotation states: Refers to the secondary position of the lateral bony groove of the knee. The commentary in *Lingshu Shi* states: The midline within the patella.
Jinggu: Zhang Jingyue's annotation states: An acupoint of the Foot-Taiyang Bladder Meridian, located in the depression below the large bone, at the junction of red and white flesh, distal to the base of the fifth toe.
Behind the ear corresponding to Wangu: Zhang Jingyue's annotation states: This describes the transverse measurement behind the ear. The high bone behind the ear is called Wangu, which is also an acupoint of the Foot-Shaoyang Gallbladder Meridian, entering the hairline about four fen apart, with a width of nine cun between them. The commentary in *Lingshu Shi* states: From the ear to the back of the head. Guang refers to transverse width.
In front of the ear corresponding to Ermen (until) width is six and a half cun: Zhang Jingyue's annotation states: This describes the transverse measurement of a supine person. Ermen corresponds to the Tinggong acupoint (SI19) of the Hand-Taiyang Small Intestine Meridian. The high bone under the eye is the zygomatic bone. Liang Bi (Two Thighs) refers to the area between the two thighs, specifically the ends of the transverse bones. *Yizong Jinjian* states: The place where the ends of the transverse bones meet is commonly called the groin crease, seven cun. *Jia Yi Jing* reads nine and a half cun, with annotations stating: *Jiu Xu* reads seven cun.
Shoulder to Elbow: Zhang Jingyue's annotation states: Jian (Shoulder) refers to the shoulder tip. The middle segment of the arm is called Zhou (Elbow).
Elbow to Wrist: Zhang Jingyue's annotation states: The joint connecting the arm and palm is called Wan (Wrist).
The proximal interphalangeal joint of the middle finger: The commentary in *Lingshu Shi* states: Ben Jie refers to the bone joint where the finger meets the palm. Mo refers to the fingertip.
From the nape hairline down to the dorsal bone: Bei (Back), *Jia Yi Jing* reads Ji (Spine). Er Cun Ban (Two and a half cun) reads San Cun Ban (Three and a half cun). Ma Yi's annotation states: This describes the bone measurements of a prone person. Zhang Jingyue's annotation states: Xiang Fa refers to the posterior hairline of the nape. Bei Gu refers to the spine, excluding the cervical vertebrae, starting from the first Dazhu vertebra (C7).
From Lv Gu (Spinal Muscle Bone) down (until) divided into seven parts: *Jia Yi Jing*: Lv, reads Ji (Spine). Si Fen Zhi Yi (One quarter), reads Si Fen Zhi Qi Qi Fen Zhi Yi (Seven and one-quarter quarters? Note: Text implies fractional calculation). Zhang Jingyue's annotation states: Lv Gu refers to the spinal column. There are twenty-four vertebrae in the nape and spine combined. Excluding the three cervical vertebrae, the Lv Gu from Dazhu down to the coccyx totals twenty-one segments, with a total length of three chi. Each upper segment is one cun and four fen and one li long. Therefore, the upper seven segments total nine cun, eight fen, and seven li. The remaining fractional parts are in the lower segments. Jian An notes: This section details the measurements of the upper seven segments but does not cover the eighth segment downwards. Consulting *Shen Ying Jing*, the seventh vertebra is one cun, six fen, and one li per segment; the fourteenth vertebra aligns with the umbilicus, totaling two chi, one cun, one fen, and four li. (*Yizong Jinjian* incorrectly calculates this as one chi, one cun, two fen, and seven li). The lower seven vertebrae are one cun, two fen, and six li each. (*Yizong Jinjian* states they total eight cun, eight fen, two li, making the grand total two chi, nine cun, nine fen, and six li, with a remainder of less than four li).
These are the bone measurements of an average person: Jian An notes: Calculating the general overview, a prone person is eight chi, two cun, and five fen; a supine person is seven chi, five cun; a side-view person is seven chi, one cun.
Therefore (until) abundant Qi: *Jia Yi Jing*: Under the character "Qi," there are five additional characters: "Nai Jing Zhi Chang Duan" (Namely, the lengths of the meridians). Zhang Jingyue's annotation states: This concludes the first section. By using bone measurements to distinguish meridians, one can observe the abundance or deficiency of Blood and Qi. Jian An notes: This section is unrelated to bone measurements and is suspected to be misplaced bamboo slips from another chapter.