目的 :研究肩井穴的解剖结构和针刺安全深度。方法 :随机抽样取 57具较新鲜的成年人尸体

其中男尸 2 4具

女尸 3 3具

采用解剖断面法和解剖层次法进行研究。结果 :向下直刺的解剖结构依次是 :皮肤、浅筋膜、深筋膜、斜方肌、肩胛提肌外侧、前锯肌、肋间外肌、肋间内肌、壁胸膜。向下直刺的平均危险深度是 55.96mm。结论 :为了安全

建议向下直刺的深度应控制在3 9 .1 7mm之内Objective: To probe into the anatomic structure and safe needling depth of Jianjing (GB 21). Methods: Fifty-seven fresher adult corpses were randomly selected. Among them

24 were male and 33 female. Anatomic sagittal sectional and lamelled methods were used to study the anatomic structure and suitable needle-insertion depth. Results:Anatomic structures of the perpendicular sections in order are skin

superficial fascia

deep fascia

trapezius muscle

lateral part of the levator muscle of scapula

serratus anterior muscle

external intercostal muscle

internal intercostal muscle and parietal pleura. If the acupuncture needle tip penetrates the parietal pleura

it will puncture the lung to induce pneumatothorax. When Jianjing (GB 21) punctured

the acupuncture needle should be controlled to advance straight downward

avoiding advancing obliquely toward the medial side of the chest. Conclusion:The mean dangerous depth for perpendicular needling insertion downward is 55.96 mm

and for safety

it is proposed that the depth for perpendicular needle-insertion is within 39.17 mm in patient with medium build.